On Thu, Dec 15, 2016 at 08:13:35PM +0000, Brian Cowan wrote:
> Guys, pardon me for jumping in, but this isn't a bug... This is
> actually how 444 permissions work. You can't *open* a file for write
> with 444 permissions.
>
> This is on an ext4 filesystem: [brian@bullwinkle ~]$ touch foo.txt
> [brian@bullwinkle ~]$ chmod 444 foo.txt [brian@bullwinkle ~]$ ls >
> foo.txt -bash: foo.txt: Permission denied [brian@bullwinkle ~]$ pwd
> /home/brian [brian@bullwinkle ~]$ df -k . Filesystem
> 1K-blocks Used Available Use% Mounted on
> /dev/mapper/vg_oc2065315552-lv_root 463406952 266869532 172974568 61%
> / [brian@bullwinkle ~]$ mount | grep root
> /dev/mapper/vg_oc2065315552-lv_root on / type ext4
> (rw,relatime,seclabel,data=ordered)
>
> {{{ Yes, I know, shouldn't have my home dir on the root fs, but it's a
> test machine...}}}
>
> This being said, you can CREATE a file with 444 permissions and write
> to it -- in the session that created it. I can provide a demo program
> that shows that...
Yes, I think their reproducer is wrong. If I recall correctly, the
originally reported problem concerned a write open that created a new
file.
--b.
>
> And root? Well root can do almost anything...
>
> -- Brian
> -----Original Message-----
> From: linux-nfs-owner@xxxxxxxxxxxxxxx [mailto:linux-nfs-owner@xxxxxxxxxxxxxxx] On Behalf Of Omar Walid Llorente
> Sent: Thursday, December 15, 2016 12:07 PM
> To: J. Bruce Fields <bfields@xxxxxxxxxxxx>
> Cc: Soumya Koduri <skoduri@xxxxxxxxxx>; Miklos Szeredi <mszeredi@xxxxxxxxxx>; Jeff Layton <jlayton@xxxxxxxxxxxxxxx>; linux-nfs@xxxxxxxxxxxxxxx; administracion del centro de calculo del dit <cdc@xxxxxxxxxx>
> Subject: Re: possible bug in nfs-kernel-server
>
> Thanks Bruce, all.
>
> I just filed a bug in bugzilla.redhat.com.
>
> See https://bugzilla.redhat.com/show_bug.cgi?id=1405147
>
> I hope that soon we have this problem solved.
>
> Omar
>
> CONTENT of bugzilla bug report:
>
> Description of problem:
> When using a fuse-mounted glusterfs volume, an error is found if the
> owner of a file (that is not root) tries to write in its own file when
> it has read-only permissions.
>
> The problem does not exist if the user is root.
>
> Version-Release number of selected component (if applicable):
> All versions tested (glusterfs-3.7.{4-16}, glusterfs-3.8.{4-5})
>
> How reproducible:
> Always
>
> Steps to Reproduce:
>
> 1. Fuse mount a glusterfs volume to be the home of the user, cd to home
> dir and check that the file we will use for testing does not exist:
> user@computer:~$ ls -l 444.txt
> ls: cannot access 444.txt: No such file or directory
> user@computer:~$
>
> 2. Execute command (error comes at echo, not before):
> user@computer:~$ rm -f 444.txt; touch 444.txt; chmod 444 444.txt; echo
> test > 444.txt
> -bash: 444.txt: Permission denied
>
> 3. Check result: File is empty.
> user@computer:~$ ls -l 444.txt
> -r--r--r-- 1 user user 0 dic 15 2016 444.txt
> user@computer:~$ rm -f 444.txt
> user@computer:~$
>
> 4. Check that the problem dissapears with root privileges:
> user@computer:~$ sudo su
> root@computer:/home/user# rm -f 444.txt; touch 444.txt; chmod 444
> 444.txt; echo test > 444.txt
> root@computer:/home/user# ls -l 444.txt
> -r--r--r-- 1 root root 5 dic 15 2016 444.txt
> root@computer:/home/user# rm -f 444.txt
> root@computer:/home/user#
>
> Actual results:
> A user who owns a file that is read-only cannot write into it.
>
> Expected results:
> A user who owns a file that is read-only should be able to write into it
> even if it is read-only.
>
> Additional info:
> Special thanks to Bruce Fields and other components of nfs-kernel-server
> team because initially we thought it was their fault. The same to Soumya
> Koduri and Miklos Szeredi, that helped to confirm the problem.
>
> See full previous thread on nfs-kernel-server list with history about
> the issue:
> http://marc.info/?t=144801803400001 (for posterity's sake, permanent
> link: http://marc.info/?i=862ef8b0-61ee-8b7e-a81c-fcdc5a726e37@xxxxxxxxxx).
>
>
> El 28/11/16 a las 19:25, J. Bruce Fields escribió:
> > On Mon, Nov 28, 2016 at 07:03:48PM +0100, Omar Walid Llorente wrote:
> >> Hi Soumya, all.
> >>
> >> Sorry for the delay answering.
> >>
> >> Following your sugestion, we are planning to file a bug at bugzilla
> >> [1], but in order to minimize the content of the explanation, we
> >> wanted to include a link to the file archive of this
> >> nfs-kernel-server list, but we only find a page that doesn't work
> >> (from http://dir.gmane.org/gmane.linux.nfs we go to
> >> http://news.gmane.org/gmane.linux.nfs, but it gives a "Page Not
> >> Found" answer).
> >>
> >> Does anybody know if is this link available anywhere else or if it
> >> can be repaired?
> >>
> >> Thanks a lot to everyone. We hope we can file the bug this week.
> > http://marc.info/?t=144801803400001&r=1&w=2
> >
> > Or you can link by message id like:
> >
> > http://marc.info/?i=862ef8b0-61ee-8b7e-a81c-fcdc5a726e37@xxxxxxxxxx
> >
> > which I sometimes try to for posterity's sake since the message id
> > should still be useful even if the one archive dies.
> >
> > --b.
> >
> >
> >> Omar
> >>
> >> El 22/11/16 a las 15:45, Soumya Koduri escribió:
> >>>
> >>> On 11/21/2016 08:27 PM, J. Bruce Fields wrote:
> >>>> On Mon, Nov 21, 2016 at 06:26:16PM +0530, Soumya Koduri wrote:
> >>>>> Hi,
> >>>>>
> >>>>> Sorry for the delay. I could reproduce the issue on my gluster setup
> >>>>> as well. The error is generated at posix-acl xlator layer of
> >>>>> glusterfs server.
> >>>>>
> >>>>> As Bruce mentioned in the earlier mail, as part of WRITE call,
> >>>>> NFS-server issues OPEN() with O_WRONLY flag set. Since the
> >>>>> attributes of the file "kk.txt" when created was 0400, the
> >>>>> corresponding acl maps to below ACL -
> >>>>>
> >>>>> [root@dhcp35-197 vol1]# getfacl kk.txt
> >>>>> # file: kk.txt
> >>>>> # owner: guest
> >>>>> # group: mock
> >>>>> user::r--
> >>>>> group::---
> >>>>> other::---
> >>>>>
> >>>>> And hence the permission check for WRITE access fails. Also not just
> >>>>> glusterfs, I see similar behavior with ext4 filesystem as well when
> >>>>> exported via kernel-NFS server.
> >>>> That definitely shouldn't be happening, how are you reproducing?
> >>> Sorry. Yesterday when I was testing, both the exports (one on
> >>> glusterfs fuse mount and another on ext4) had same fsid. So when I
> >>> was trying to mount and access the share on ext4, it had
> >>> redirected to glusterfs fuse mount and hence the test failed.
> >>>
> >>> I re-checked with ext4 and I do not see any failures. So probably
> >>> then we need to put a fix in glusterfs to bypass this check for
> >>> file owner during OPEN.
> >>>
> >>> @Omar,
> >>> Could you please file a bug against glusterfs component in RH
> >>> bugzilla [1] for the same?
> >>>
> >>> Thanks,
> >>> Soumya
> >>>
> >>> [1] https://bugzilla.redhat.com/enter_bug.cgi?product=GlusterFS
> >>>
> >>>> --b.
> >>>>
> >>>>> So I am not sure if fixing glusterfs
> >>>>> for this use-case is valid.
> >>>>>
> >>>>> Thanks,
> >>>>> Soumya
> >>>>>
> >>>>>
> >>>>> On 11/18/2016 09:33 PM, Omar Walid Llorente wrote:
> >>>>>> Yes, of course, we can reproduce the problem on latest (e.g
> >>>>>> 4.8) kernel.
> >>>>>>
> >>>>>> Tested on a server with fedora 24 (Linux cuentas11.lab.dit.upm.es
> >>>>>> 4.8.4-200.fc24.x86_64 #1 SMP Tue Oct 25 13:06:04 UTC 2016
> >>>>>> x86_64 x86_64
> >>>>>> x86_64 GNU/Linux), glusterfs-fuse-3.8.5-1.fc24.x86_64,
> >>>>>> fuse-2.9.7-1.fc24.x86_64 and nfs-utils-1.3.4-1.rc2.fc24.x86_64 that
> >>>>>> mounts as a glusterfs-client and exports as a nfs-server a ditributed
> >>>>>> glusterfs volume (that comes from a 3.7.4 glusterfs server over Ubuntu
> >>>>>> 14.04.
> >>>>>>
> >>>>>> [root@cuentas11 ~]# cat /proc/mounts | grep home
> >>>>>> recipiente8hd:/home-lab-3.tcp /home-3 fuse.glusterfs
> >>>>>> rw,relatime,user_id=0,group_id=0,default_permissions,allow_other,max_read=131072
> >>>>>>
> >>>>>> 0 0
> >>>>>> [root@cuentas11 ~]#
> >>>>>>
> >>>>>> As you may remember the schema is the one that follows
> >>>>>> (glusterfs volume
> >>>>>> name: home-lab-3, glusterfs client mount point: /home-3, nfs client
> >>>>>> mount point: /home):
> >>>>>>
> >>>>>> nfs client (v1.2.8) ---> NFSv3 ---> knfsd (v1.3.4 over a Linux v4.8.4
> >>>>>> kernel) ---> FUSE (v2.9.7) --> glusterfs client (v3.8.5) --> GLUSTER
> >>>>>> over TCP --> glusterfs server (v3.7.4)
> >>>>>>
> >>>>>> The errors at the nfs-client side are the same:
> >>>>>>
> >>>>>> cdc@l056:~$ mount | grep "/home/cdc"
> >>>>>> cuentas11:/home-3/cdc on /home/cdc type nfs
> >>>>>> (rw,noatime,nfsvers=3,vers=3,tcp,intr,fsc,nolock,rsize=262140,wsize=262140,addr=138.4.30.86)
> >>>>>>
> >>>>>>
> >>>>>> cdc@l056:~$
> >>>>>> cdc@l056:~$
> >>>>>> cdc@l056:~$
> >>>>>> cdc@l056:~$ rm -f kk.txt 444.txt; echo "prueba" > 444.txt; chmod 444
> >>>>>> 444.txt; cp -p 444.txt kk.txt; ls -ld 444.txt kk.txt
> >>>>>> cp: failed to close ‘kk.txt’: Permission denied
> >>>>>> -r--r--r-- 1 cdc admincdc 7 nov 18 2016 444.txt
> >>>>>> -r--r--r-- 1 cdc admincdc 0 nov 18 2016 kk.txt
> >>>>>> cdc@l056:~$
> >>>>>> cdc@l056:~$
> >>>>>> cdc@l056:~$
> >>>>>> cdc@l056:~$ sudo su
> >>>>>> [sudo] password for cdc:
> >>>>>> root@l056:/home/cdc# rm -f kk.txt 444.txt; echo "prueba" > 444.txt;
> >>>>>> chmod 444 444.txt; cp -p 444.txt kk.txt; ls -ld 444.txt kk.txt
> >>>>>> -r--r--r-- 1 root root 7 nov 18 2016 444.txt
> >>>>>> -r--r--r-- 1 root root 7 nov 18 2016 kk.txt
> >>>>>> root@l056:/home/cdc#
> >>>>>> root@l056:/home/cdc#
> >>>>>> root@l056:/home/cdc# exit
> >>>>>> cdc@l056:~$
> >>>>>>
> >>>>>> See at the end the logs with and without the debug option activated at
> >>>>>> the glusterfs client.
> >>>>>>
> >>>>>> Thanks again, and sorry for the long message.
> >>>>>>
> >>>>>> Omar
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>> * Logs on the glusterfs client side with NO DEBUG:
> >>>>>>
> >>>>>> [2016-11-18 15:45:43.681215] E [MSGID: 114031]
> >>>>>> [client-rpc-fops.c:444:client3_3_open_cbk]
> >>>>>> 0-home-lab-3-client-3: remote
> >>>>>> operation failed. Path: /cdc/kk.txt
> >>>>>> (cc98e831-3410-4202-8254-2d4b48e8ea68) [Permission denied]
> >>>>>> [2016-11-18 15:45:43.681297] W [fuse-bridge.c:989:fuse_fd_cbk]
> >>>>>> 0-glusterfs-fuse: 399: OPEN() /cdc/kk.txt => -1 (Permission denied)
> >>>>>> [2016-11-18 15:45:55.457922] I [io-stats.c:1574:io_stats_dump_fd]
> >>>>>> 0-home-lab-3: --- fd stats ---
> >>>>>> [2016-11-18 15:45:55.457978] I [io-stats.c:1579:io_stats_dump_fd]
> >>>>>> 0-home-lab-3: Filename : /cdc/444.txt
> >>>>>> [2016-11-18 15:45:55.457997] I [io-stats.c:1594:io_stats_dump_fd]
> >>>>>> 0-home-lab-3: BytesWritten : 7 bytes
> >>>>>> [2016-11-18 15:45:55.458011] I [io-stats.c:1606:io_stats_dump_fd]
> >>>>>> 0-home-lab-3: Write 000004b+ : 1
> >>>>>> [2016-11-18 15:45:55.471933] I [io-stats.c:1574:io_stats_dump_fd]
> >>>>>> 0-home-lab-3: --- fd stats ---
> >>>>>>
> >>>>>>
> >>>>>> * Logs on the glusterfs client side with DEBUG activated:
> >>>>>>
> >>>>>> [2016-11-18 16:06:17.040092] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads:
> >>>>>> STAT scheduled
> >>>>>> as fast fop
> >>>>>> [2016-11-18 16:06:17.045986] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads: LOOKUP
> >>>>>> scheduled as fast fop
> >>>>>> [2016-11-18 16:06:17.046132] D [MSGID: 0]
> >>>>>> [dht-common.c:2684:dht_lookup]
> >>>>>> 0-home-lab-3-dht: Calling fresh lookup for /cdc/kk.txt on
> >>>>>> home-lab-3-client-3
> >>>>>> [2016-11-18 16:06:17.046833] D [MSGID: 0]
> >>>>>> [dht-common.c:2271:dht_lookup_cbk] 0-home-lab-3-dht: fresh_lookup
> >>>>>> returned for /cdc/kk.txt with op_ret 0 [Invalid argument]
> >>>>>> [2016-11-18 16:06:17.047671] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads: UNLINK
> >>>>>> scheduled as normal fop
> >>>>>> [2016-11-18 16:06:17.050539] D [fuse-bridge.c:5264:notify] 0-fuse: got
> >>>>>> event 19 on graph -1418558531
> >>>>>> [2016-11-18 16:06:17.050867] D [fuse-bridge.c:5264:notify] 0-fuse: got
> >>>>>> event 19 on graph 0
> >>>>>> [2016-11-18 16:06:17.051948] D [logging.c:1953:_gf_msg_internal]
> >>>>>> 0-logging-infra: Buffer overflow of a buffer whose size limit is 5.
> >>>>>> About to flush least recently used log message to disk
> >>>>>> [2016-11-18 16:06:17.051871] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads: LOOKUP
> >>>>>> scheduled as fast fop
> >>>>>> [2016-11-18 16:06:17.051946] D [MSGID: 0]
> >>>>>> [dht-common.c:2684:dht_lookup]
> >>>>>> 0-home-lab-3-dht: Calling fresh lookup for /cdc/444.txt on
> >>>>>> home-lab-3-client-0
> >>>>>> [2016-11-18 16:06:17.062108] D [MSGID: 0]
> >>>>>> [dht-common.c:2271:dht_lookup_cbk] 0-home-lab-3-dht: fresh_lookup
> >>>>>> returned for /cdc/444.txt with op_ret 0 [Invalid argument]
> >>>>>> [2016-11-18 16:06:17.063692] D [fuse-bridge.c:5264:notify] 0-fuse: got
> >>>>>> event 19 on graph -1418558531
> >>>>>> [2016-11-18 16:06:17.064015] D [fuse-bridge.c:5264:notify] 0-fuse: got
> >>>>>> event 19 on graph 0
> >>>>>> [2016-11-18 16:06:17.065068] D [logging.c:1953:_gf_msg_internal]
> >>>>>> 0-logging-infra: Buffer overflow of a buffer whose size limit is 5.
> >>>>>> About to flush least recently used log message to disk
> >>>>>> The message "D [MSGID: 0] [io-threads.c:349:iot_schedule]
> >>>>>> 0-home-lab-3-io-threads: STAT scheduled as fast fop" repeated 4 times
> >>>>>> between [2016-11-18 16:06:17.040092] and [2016-11-18 16:06:17.064175]
> >>>>>> [2016-11-18 16:06:17.065066] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads: LOOKUP
> >>>>>> scheduled as fast fop
> >>>>>> [2016-11-18 16:06:17.065232] D [MSGID: 0]
> >>>>>> [dht-common.c:2684:dht_lookup]
> >>>>>> 0-home-lab-3-dht: Calling fresh lookup for /cdc/444.txt on
> >>>>>> home-lab-3-client-0
> >>>>>> [2016-11-18 16:06:17.065755] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e0498, home-lab-3-client-0 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.065897] D [MSGID: 0]
> >>>>>> [dht-common.c:2271:dht_lookup_cbk] 0-home-lab-3-dht: fresh_lookup
> >>>>>> returned for /cdc/444.txt with op_ret -1 [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.066016] D [MSGID: 0]
> >>>>>> [dht-common.c:2284:dht_lookup_cbk] 0-home-lab-3-dht: Entry
> >>>>>> /cdc/444.txt
> >>>>>> missing on subvol home-lab-3-client-0
> >>>>>> [2016-11-18 16:06:17.066104] D [MSGID: 0]
> >>>>>> [dht-common.c:2055:dht_lookup_everywhere] 0-home-lab-3-dht: winding
> >>>>>> lookup call to 4 subvols
> >>>>>> [2016-11-18 16:06:17.066594] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e0498, home-lab-3-client-0 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.066669] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/444.txt) from subvol
> >>>>>> home-lab-3-client-0
> >>>>>> [2016-11-18 16:06:17.066771] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e0498, home-lab-3-client-1 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.066898] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/444.txt) from subvol
> >>>>>> home-lab-3-client-1
> >>>>>> [2016-11-18 16:06:17.066906] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e0498, home-lab-3-client-2 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.067019] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/444.txt) from subvol
> >>>>>> home-lab-3-client-2
> >>>>>> [2016-11-18 16:06:17.066915] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e0498, home-lab-3-client-3 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.067066] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/444.txt) from subvol
> >>>>>> home-lab-3-client-3
> >>>>>> [2016-11-18 16:06:17.067107] D [MSGID: 0]
> >>>>>> [dht-common.c:1527:dht_lookup_everywhere_done]
> >>>>>> 0-home-lab-3-dht: STATUS:
> >>>>>> hashed_subvol home-lab-3-client-0 cached_subvol null
> >>>>>> [2016-11-18 16:06:17.067151] D [MSGID: 0]
> >>>>>> [dht-common.c:1588:dht_lookup_everywhere_done] 0-home-lab-3-dht: There
> >>>>>> was no cached file and unlink on hashed is not skipped /cdc/444.txt
> >>>>>> [2016-11-18 16:06:17.067179] D [MSGID: 0]
> >>>>>> [dht-common.c:1591:dht_lookup_everywhere_done] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e0498, home-lab-3-dht returned -1
> >>>>>> error: No such
> >>>>>> file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.067206] D [MSGID: 0]
> >>>>>> [io-cache.c:256:ioc_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e0498, home-lab-3-io-cache returned -1 error: No such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.067250] D [MSGID: 0]
> >>>>>> [quick-read.c:447:qr_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e0498, home-lab-3-quick-read returned -1 error: No
> >>>>>> such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.067275] D [MSGID: 0]
> >>>>>> [md-cache.c:863:mdc_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e0498, home-lab-3-md-cache returned -1 error: No such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.067308] D [MSGID: 0]
> >>>>>> [defaults.c:1266:default_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e0498, home-lab-3-io-threads returned -1 error: No
> >>>>>> such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.067387] D [MSGID: 0]
> >>>>>> [io-stats.c:2116:io_stats_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e0498, home-lab-3 returned -1 error: No such file
> >>>>>> or directory
> >>>>>> [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.068157] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads: LOOKUP
> >>>>>> scheduled as fast fop
> >>>>>> [2016-11-18 16:06:17.068281] D [MSGID: 0]
> >>>>>> [dht-common.c:2684:dht_lookup]
> >>>>>> 0-home-lab-3-dht: Calling fresh lookup for /cdc/444.txt on
> >>>>>> home-lab-3-client-0
> >>>>>> [2016-11-18 16:06:17.068738] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e0498, home-lab-3-client-0 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.068781] D [MSGID: 0]
> >>>>>> [dht-common.c:2271:dht_lookup_cbk] 0-home-lab-3-dht: fresh_lookup
> >>>>>> returned for /cdc/444.txt with op_ret -1 [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.068805] D [MSGID: 0]
> >>>>>> [dht-common.c:2284:dht_lookup_cbk] 0-home-lab-3-dht: Entry
> >>>>>> /cdc/444.txt
> >>>>>> missing on subvol home-lab-3-client-0
> >>>>>> [2016-11-18 16:06:17.068827] D [MSGID: 0]
> >>>>>> [dht-common.c:2055:dht_lookup_everywhere] 0-home-lab-3-dht: winding
> >>>>>> lookup call to 4 subvols
> >>>>>> [2016-11-18 16:06:17.069286] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e0498, home-lab-3-client-0 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.069345] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/444.txt) from subvol
> >>>>>> home-lab-3-client-0
> >>>>>> [2016-11-18 16:06:17.069452] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e0498, home-lab-3-client-2 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.069507] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/444.txt) from subvol
> >>>>>> home-lab-3-client-2
> >>>>>> [2016-11-18 16:06:17.069556] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e0498, home-lab-3-client-3 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.069585] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/444.txt) from subvol
> >>>>>> home-lab-3-client-3
> >>>>>> [2016-11-18 16:06:17.069939] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e0498, home-lab-3-client-1 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.069983] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/444.txt) from subvol
> >>>>>> home-lab-3-client-1
> >>>>>> [2016-11-18 16:06:17.070005] D [MSGID: 0]
> >>>>>> [dht-common.c:1527:dht_lookup_everywhere_done]
> >>>>>> 0-home-lab-3-dht: STATUS:
> >>>>>> hashed_subvol home-lab-3-client-0 cached_subvol null
> >>>>>> [2016-11-18 16:06:17.070038] D [MSGID: 0]
> >>>>>> [dht-common.c:1588:dht_lookup_everywhere_done] 0-home-lab-3-dht: There
> >>>>>> was no cached file and unlink on hashed is not skipped /cdc/444.txt
> >>>>>> [2016-11-18 16:06:17.070098] D [MSGID: 0]
> >>>>>> [dht-common.c:1591:dht_lookup_everywhere_done] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e0498, home-lab-3-dht returned -1
> >>>>>> error: No such
> >>>>>> file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.070128] D [MSGID: 0]
> >>>>>> [io-cache.c:256:ioc_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e0498, home-lab-3-io-cache returned -1 error: No such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.070154] D [MSGID: 0]
> >>>>>> [quick-read.c:447:qr_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e0498, home-lab-3-quick-read returned -1 error: No
> >>>>>> such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.070178] D [MSGID: 0]
> >>>>>> [md-cache.c:863:mdc_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e0498, home-lab-3-md-cache returned -1 error: No such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.070208] D [MSGID: 0]
> >>>>>> [defaults.c:1266:default_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e0498, home-lab-3-io-threads returned -1 error: No
> >>>>>> such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.070251] D [MSGID: 0]
> >>>>>> [io-stats.c:2116:io_stats_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e0498, home-lab-3 returned -1 error: No such file
> >>>>>> or directory
> >>>>>> [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.070537] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads:
> >>>>>> MKNOD scheduled
> >>>>>> as normal fop
> >>>>>> [2016-11-18 16:06:17.070826] D [MSGID: 0]
> >>>>>> [dht-common.c:5559:dht_mknod_wind_to_avail_subvol] 0-home-lab-3-dht:
> >>>>>> creating /cdc/444.txt on home-lab-3-client-0
> >>>>>> [2016-11-18 16:06:17.071100] D [MSGID: 0]
> >>>>>> [dht-diskusage.c:92:dht_du_info_cbk] 0-home-lab-3-dht: subvolume
> >>>>>> 'home-lab-3-client-1': avail_percent is: 96.00 and avail_space is:
> >>>>>> 10456189239296 and avail_inodes is: 99.00
> >>>>>> [2016-11-18 16:06:17.071142] D [MSGID: 0]
> >>>>>> [dht-diskusage.c:92:dht_du_info_cbk] 0-home-lab-3-dht: subvolume
> >>>>>> 'home-lab-3-client-0': avail_percent is: 95.00 and avail_space is:
> >>>>>> 10499693871104 and avail_inodes is: 99.00
> >>>>>> [2016-11-18 16:06:17.071183] D [MSGID: 0]
> >>>>>> [dht-diskusage.c:92:dht_du_info_cbk] 0-home-lab-3-dht: subvolume
> >>>>>> 'home-lab-3-client-2': avail_percent is: 96.00 and avail_space is:
> >>>>>> 10500911267840 and avail_inodes is: 99.00
> >>>>>> [2016-11-18 16:06:17.071343] D [MSGID: 0]
> >>>>>> [dht-diskusage.c:92:dht_du_info_cbk] 0-home-lab-3-dht: subvolume
> >>>>>> 'home-lab-3-client-3': avail_percent is: 95.00 and avail_space is:
> >>>>>> 8600432410624 and avail_inodes is: 99.00
> >>>>>> [2016-11-18 16:06:17.073943] D [fuse-bridge.c:5264:notify] 0-fuse: got
> >>>>>> event 19 on graph -1418558531
> >>>>>> [2016-11-18 16:06:17.074273] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads:
> >>>>>> STAT scheduled
> >>>>>> as fast fop
> >>>>>> [2016-11-18 16:06:17.075035] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads:
> >>>>>> OPEN scheduled
> >>>>>> as fast fop
> >>>>>> [2016-11-18 16:06:17.075913] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads:
> >>>>>> WRITE scheduled
> >>>>>> as slow fop
> >>>>>> [2016-11-18 16:06:17.076205] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads:
> >>>>>> FSTAT scheduled
> >>>>>> as fast fop
> >>>>>> [2016-11-18 16:06:17.076636] D [fuse-bridge.c:5264:notify] 0-fuse: got
> >>>>>> event 19 on graph 0
> >>>>>> [2016-11-18 16:06:17.077282] D [fuse-bridge.c:52:fuse_invalidate]
> >>>>>> 0-fuse: Invalidate inode id 140363155120276.
> >>>>>> [2016-11-18 16:06:17.077981] I [io-stats.c:1574:io_stats_dump_fd]
> >>>>>> 0-home-lab-3: --- fd stats ---
> >>>>>> [2016-11-18 16:06:17.078032] I [io-stats.c:1579:io_stats_dump_fd]
> >>>>>> 0-home-lab-3: Filename : /cdc/444.txt
> >>>>>> [2016-11-18 16:06:17.078049] I [io-stats.c:1594:io_stats_dump_fd]
> >>>>>> 0-home-lab-3: BytesWritten : 7 bytes
> >>>>>> [2016-11-18 16:06:17.078064] I [io-stats.c:1606:io_stats_dump_fd]
> >>>>>> 0-home-lab-3: Write 000004b+ : 1
> >>>>>> [2016-11-18 16:06:17.079156] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads: SETATTR
> >>>>>> scheduled as normal fop
> >>>>>> [2016-11-18 16:06:17.079794] D [fuse-bridge.c:5264:notify] 0-fuse: got
> >>>>>> event 19 on graph 0
> >>>>>> [2016-11-18 16:06:17.082196] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads: LOOKUP
> >>>>>> scheduled as fast fop
> >>>>>> [2016-11-18 16:06:17.082772] D [logging.c:1953:_gf_msg_internal]
> >>>>>> 0-logging-infra: Buffer overflow of a buffer whose size limit is 5.
> >>>>>> About to flush least recently used log message to disk
> >>>>>> [2016-11-18 16:06:17.082318] D [MSGID: 0]
> >>>>>> [dht-common.c:2684:dht_lookup]
> >>>>>> 0-home-lab-3-dht: Calling fresh lookup for /cdc/kk.txt on
> >>>>>> home-lab-3-client-3
> >>>>>> [2016-11-18 16:06:17.082770] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-3 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.083168] D [MSGID: 0]
> >>>>>> [dht-common.c:2271:dht_lookup_cbk] 0-home-lab-3-dht: fresh_lookup
> >>>>>> returned for /cdc/kk.txt with op_ret -1 [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.083282] D [MSGID: 0]
> >>>>>> [dht-common.c:2284:dht_lookup_cbk] 0-home-lab-3-dht: Entry /cdc/kk.txt
> >>>>>> missing on subvol home-lab-3-client-3
> >>>>>> [2016-11-18 16:06:17.083320] D [MSGID: 0]
> >>>>>> [dht-common.c:2055:dht_lookup_everywhere] 0-home-lab-3-dht: winding
> >>>>>> lookup call to 4 subvols
> >>>>>> [2016-11-18 16:06:17.083991] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-0 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.084043] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/kk.txt) from subvol
> >>>>>> home-lab-3-client-0
> >>>>>> [2016-11-18 16:06:17.084048] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-3 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.084092] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/kk.txt) from subvol
> >>>>>> home-lab-3-client-3
> >>>>>> [2016-11-18 16:06:17.084114] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-1 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.084167] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/kk.txt) from subvol
> >>>>>> home-lab-3-client-1
> >>>>>> [2016-11-18 16:06:17.084091] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-2 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.084377] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/kk.txt) from subvol
> >>>>>> home-lab-3-client-2
> >>>>>> [2016-11-18 16:06:17.084406] D [MSGID: 0]
> >>>>>> [dht-common.c:1527:dht_lookup_everywhere_done]
> >>>>>> 0-home-lab-3-dht: STATUS:
> >>>>>> hashed_subvol home-lab-3-client-3 cached_subvol null
> >>>>>> [2016-11-18 16:06:17.084511] D [MSGID: 0]
> >>>>>> [dht-common.c:1588:dht_lookup_everywhere_done] 0-home-lab-3-dht: There
> >>>>>> was no cached file and unlink on hashed is not skipped /cdc/kk.txt
> >>>>>> [2016-11-18 16:06:17.084534] D [MSGID: 0]
> >>>>>> [dht-common.c:1591:dht_lookup_everywhere_done] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-dht returned -1
> >>>>>> error: No such
> >>>>>> file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.084683] D [MSGID: 0]
> >>>>>> [io-cache.c:256:ioc_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3-io-cache returned -1 error: No such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.084783] D [MSGID: 0]
> >>>>>> [quick-read.c:447:qr_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3-quick-read returned -1 error: No
> >>>>>> such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.084857] D [MSGID: 0]
> >>>>>> [md-cache.c:863:mdc_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3-md-cache returned -1 error: No such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.084889] D [MSGID: 0]
> >>>>>> [defaults.c:1266:default_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3-io-threads returned -1 error: No
> >>>>>> such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.085001] D [MSGID: 0]
> >>>>>> [io-stats.c:2116:io_stats_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3 returned -1 error: No such file
> >>>>>> or directory
> >>>>>> [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.086098] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads:
> >>>>>> STAT scheduled
> >>>>>> as fast fop
> >>>>>> [2016-11-18 16:06:17.087256] D [logging.c:1953:_gf_msg_internal]
> >>>>>> 0-logging-infra: Buffer overflow of a buffer whose size limit is 5.
> >>>>>> About to flush least recently used log message to disk
> >>>>>> [2016-11-18 16:06:17.087173] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads: LOOKUP
> >>>>>> scheduled as fast fop
> >>>>>> [2016-11-18 16:06:17.087254] D [MSGID: 0]
> >>>>>> [dht-common.c:2684:dht_lookup]
> >>>>>> 0-home-lab-3-dht: Calling fresh lookup for /cdc/kk.txt on
> >>>>>> home-lab-3-client-3
> >>>>>> [2016-11-18 16:06:17.087749] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-3 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.087795] D [MSGID: 0]
> >>>>>> [dht-common.c:2271:dht_lookup_cbk] 0-home-lab-3-dht: fresh_lookup
> >>>>>> returned for /cdc/kk.txt with op_ret -1 [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.088014] D [MSGID: 0]
> >>>>>> [dht-common.c:2284:dht_lookup_cbk] 0-home-lab-3-dht: Entry /cdc/kk.txt
> >>>>>> missing on subvol home-lab-3-client-3
> >>>>>> [2016-11-18 16:06:17.088036] D [MSGID: 0]
> >>>>>> [dht-common.c:2055:dht_lookup_everywhere] 0-home-lab-3-dht: winding
> >>>>>> lookup call to 4 subvols
> >>>>>> [2016-11-18 16:06:17.088598] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-0 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.088639] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/kk.txt) from subvol
> >>>>>> home-lab-3-client-0
> >>>>>> [2016-11-18 16:06:17.088804] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-2 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.088855] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/kk.txt) from subvol
> >>>>>> home-lab-3-client-2
> >>>>>> [2016-11-18 16:06:17.088819] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-3 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.089069] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/kk.txt) from subvol
> >>>>>> home-lab-3-client-3
> >>>>>> [2016-11-18 16:06:17.089380] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-1 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.089421] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/kk.txt) from subvol
> >>>>>> home-lab-3-client-1
> >>>>>> [2016-11-18 16:06:17.089443] D [MSGID: 0]
> >>>>>> [dht-common.c:1527:dht_lookup_everywhere_done]
> >>>>>> 0-home-lab-3-dht: STATUS:
> >>>>>> hashed_subvol home-lab-3-client-3 cached_subvol null
> >>>>>> [2016-11-18 16:06:17.089463] D [MSGID: 0]
> >>>>>> [dht-common.c:1588:dht_lookup_everywhere_done] 0-home-lab-3-dht: There
> >>>>>> was no cached file and unlink on hashed is not skipped /cdc/kk.txt
> >>>>>> [2016-11-18 16:06:17.089575] D [MSGID: 0]
> >>>>>> [dht-common.c:1591:dht_lookup_everywhere_done] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-dht returned -1
> >>>>>> error: No such
> >>>>>> file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.089601] D [MSGID: 0]
> >>>>>> [io-cache.c:256:ioc_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3-io-cache returned -1 error: No such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.089712] D [MSGID: 0]
> >>>>>> [quick-read.c:447:qr_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3-quick-read returned -1 error: No
> >>>>>> such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.089738] D [MSGID: 0]
> >>>>>> [md-cache.c:863:mdc_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3-md-cache returned -1 error: No such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.090006] D [MSGID: 0]
> >>>>>> [defaults.c:1266:default_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3-io-threads returned -1 error: No
> >>>>>> such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.090156] D [MSGID: 0]
> >>>>>> [io-stats.c:2116:io_stats_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3 returned -1 error: No such file
> >>>>>> or directory
> >>>>>> [No such file or directory]
> >>>>>> [2016-11-18 16:06:17.090648] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads:
> >>>>>> MKNOD scheduled
> >>>>>> as normal fop
> >>>>>> [2016-11-18 16:06:17.090732] D [MSGID: 0]
> >>>>>> [dht-common.c:5559:dht_mknod_wind_to_avail_subvol] 0-home-lab-3-dht:
> >>>>>> creating /cdc/kk.txt on home-lab-3-client-3
> >>>>>> [2016-11-18 16:06:17.091499] D [fuse-bridge.c:5264:notify] 0-fuse: got
> >>>>>> event 19 on graph -1418558531
> >>>>>> [2016-11-18 16:06:17.091843] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads: SETATTR
> >>>>>> scheduled as normal fop
> >>>>>> [2016-11-18 16:06:17.093831] D [fuse-bridge.c:5264:notify] 0-fuse: got
> >>>>>> event 19 on graph 0
> >>>>>> [2016-11-18 16:06:17.094711] D [logging.c:1953:_gf_msg_internal]
> >>>>>> 0-logging-infra: Buffer overflow of a buffer whose size limit is 5.
> >>>>>> About to flush least recently used log message to disk
> >>>>>> [2016-11-18 16:06:17.093216] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads: SETATTR
> >>>>>> scheduled as normal fop
> >>>>>> [2016-11-18 16:06:17.094709] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads:
> >>>>>> OPEN scheduled
> >>>>>> as fast fop
> >>>>>> [2016-11-18 16:06:17.095280] E [MSGID: 114031]
> >>>>>> [client-rpc-fops.c:444:client3_3_open_cbk]
> >>>>>> 0-home-lab-3-client-3: remote
> >>>>>> operation failed. Path: /cdc/kk.txt
> >>>>>> (09bfb6fa-82fb-463b-abd9-bb7ef88e10c0) [Permission denied]
> >>>>>> [2016-11-18 16:06:17.095341] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:448:client3_3_open_cbk] 0-stack-trace:
> >>>>>> stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3-client-3 returned -1 error:
> >>>>>> Permission denied
> >>>>>> [Permission denied]
> >>>>>> [2016-11-18 16:06:17.095366] D [MSGID: 0]
> >>>>>> [dht-inode-read.c:45:dht_open_cbk] 0-home-lab-3-dht: subvolume
> >>>>>> home-lab-3-client-3 returned -1 [Permission denied]
> >>>>>> [2016-11-18 16:06:17.095480] D [MSGID: 0]
> >>>>>> [dht-inode-read.c:59:dht_open_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3-dht returned -1 error: Permission denied
> >>>>>> [Permission denied]
> >>>>>> [2016-11-18 16:06:17.095671] D [MSGID: 0]
> >>>>>> [read-ahead.c:101:ra_open_cbk]
> >>>>>> 0-stack-trace: stack-address: 0x7fa8ee0e1310, home-lab-3-read-ahead
> >>>>>> returned -1 error: Permission denied [Permission denied]
> >>>>>> [2016-11-18 16:06:17.095759] D [MSGID: 0]
> >>>>>> [io-cache.c:605:ioc_open_cbk]
> >>>>>> 0-stack-trace: stack-address: 0x7fa8ee0e1310, home-lab-3-io-cache
> >>>>>> returned -1 error: Permission denied [Permission denied]
> >>>>>> [2016-11-18 16:06:17.095963] D [MSGID: 0]
> >>>>>> [defaults.c:1137:default_open_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3-quick-read returned -1 error: Permission
> >>>>>> denied [Permission denied]
> >>>>>> [2016-11-18 16:06:17.095988] D [MSGID: 0]
> >>>>>> [defaults.c:1137:default_open_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3-io-threads returned -1 error: Permission
> >>>>>> denied [Permission denied]
> >>>>>> [2016-11-18 16:06:17.096275] D [MSGID: 0]
> >>>>>> [io-stats.c:1936:io_stats_open_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3 returned -1 error: Permission denied
> >>>>>> [Permission denied]
> >>>>>> [2016-11-18 16:06:17.096362] W [fuse-bridge.c:989:fuse_fd_cbk]
> >>>>>> 0-glusterfs-fuse: 338: OPEN() /cdc/kk.txt => -1 (Permission denied)
> >>>>>> [2016-11-18 16:06:17.097104] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads: SETATTR
> >>>>>> scheduled as normal fop
> >>>>>> [2016-11-18 16:06:17.097674] D [fuse-bridge.c:5264:notify] 0-fuse: got
> >>>>>> event 19 on graph 0
> >>>>>> [2016-11-18 16:06:17.099912] D [fuse-bridge.c:5264:notify] 0-fuse: got
> >>>>>> event 19 on graph 0
> >>>>>> [2016-11-18 16:06:24.785225] D
> >>>>>> [rpc-clnt-ping.c:295:rpc_clnt_start_ping]
> >>>>>> 0-home-lab-3-client-0: returning as transport is already
> >>>>>> disconnected OR
> >>>>>> there are no frames (0 || 0)
> >>>>>> [2016-11-18 16:06:24.785338] D
> >>>>>> [rpc-clnt-ping.c:295:rpc_clnt_start_ping]
> >>>>>> 0-home-lab-3-client-1: returning as transport is already
> >>>>>> disconnected OR
> >>>>>> there are no frames (0 || 0)
> >>>>>> [2016-11-18 16:06:24.785359] D
> >>>>>> [rpc-clnt-ping.c:295:rpc_clnt_start_ping]
> >>>>>> 0-home-lab-3-client-2: returning as transport is already
> >>>>>> disconnected OR
> >>>>>> there are no frames (0 || 0)
> >>>>>> [2016-11-18 16:06:24.785377] D
> >>>>>> [rpc-clnt-ping.c:295:rpc_clnt_start_ping]
> >>>>>> 0-home-lab-3-client-3: returning as transport is already
> >>>>>> disconnected OR
> >>>>>> there are no frames (0 || 0)
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>> ** TEST DONE as user cdc --> ERROR
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>> [2016-11-18 16:06:46.737686] D
> >>>>>> [rpc-clnt-ping.c:93:rpc_clnt_remove_ping_timer_locked] (-->
> >>>>>> /lib64/libglusterfs.so.0(_gf_log_callingfn+0x1a3)[0x7fa8f0851da3] (-->
> >>>>>> /lib64/libgfrpc.so.0(rpc_clnt_remove_ping_timer_locked+0x84)[0x7fa8f061f184]
> >>>>>>
> >>>>>> (--> /lib64/libgfrpc.so.0(+0x13787)[0x7fa8f061f787] (-->
> >>>>>> /lib64/libgfrpc.so.0(rpc_clnt_submit+0x29a)[0x7fa8f061c07a] (-->
> >>>>>> /usr/lib64/glusterfs/3.8.5/xlator/protocol/client.so(+0xefce)[0x7fa8e22fffce]
> >>>>>>
> >>>>>> ))))) 0-: 138.4.2.246:49172: ping timer event already removed
> >>>>>> [2016-11-18 16:06:49.545698] D
> >>>>>> [rpc-clnt-ping.c:93:rpc_clnt_remove_ping_timer_locked] (-->
> >>>>>> /lib64/libglusterfs.so.0(_gf_log_callingfn+0x1a3)[0x7fa8f0851da3] (-->
> >>>>>> /lib64/libgfrpc.so.0(rpc_clnt_remove_ping_timer_locked+0x84)[0x7fa8f061f184]
> >>>>>>
> >>>>>> (--> /lib64/libgfrpc.so.0(+0x13787)[0x7fa8f061f787] (-->
> >>>>>> /lib64/libgfrpc.so.0(rpc_clnt_submit+0x29a)[0x7fa8f061c07a] (-->
> >>>>>> /usr/lib64/glusterfs/3.8.5/xlator/protocol/client.so(+0xefce)[0x7fa8e22fffce]
> >>>>>>
> >>>>>> ))))) 0-: 138.4.2.177:49157: ping timer event already removed
> >>>>>> [2016-11-18 16:06:49.546474] D
> >>>>>> [rpc-clnt-ping.c:93:rpc_clnt_remove_ping_timer_locked] (-->
> >>>>>> /lib64/libglusterfs.so.0(_gf_log_callingfn+0x1a3)[0x7fa8f0851da3] (-->
> >>>>>> /lib64/libgfrpc.so.0(rpc_clnt_remove_ping_timer_locked+0x84)[0x7fa8f061f184]
> >>>>>>
> >>>>>> (--> /lib64/libgfrpc.so.0(+0x13787)[0x7fa8f061f787] (-->
> >>>>>> /lib64/libgfrpc.so.0(rpc_clnt_submit+0x29a)[0x7fa8f061c07a] (-->
> >>>>>> /usr/lib64/glusterfs/3.8.5/xlator/protocol/client.so(+0xefce)[0x7fa8e22fffce]
> >>>>>>
> >>>>>> ))))) 0-: 138.4.2.189:49157: ping timer event already removed
> >>>>>> [2016-11-18 16:06:49.547093] D
> >>>>>> [rpc-clnt-ping.c:93:rpc_clnt_remove_ping_timer_locked] (-->
> >>>>>> /lib64/libglusterfs.so.0(_gf_log_callingfn+0x1a3)[0x7fa8f0851da3] (-->
> >>>>>> /lib64/libgfrpc.so.0(rpc_clnt_remove_ping_timer_locked+0x84)[0x7fa8f061f184]
> >>>>>>
> >>>>>> (--> /lib64/libgfrpc.so.0(+0x13787)[0x7fa8f061f787] (-->
> >>>>>> /lib64/libgfrpc.so.0(rpc_clnt_submit+0x29a)[0x7fa8f061c07a] (-->
> >>>>>> /usr/lib64/glusterfs/3.8.5/xlator/protocol/client.so(+0xefce)[0x7fa8e22fffce]
> >>>>>>
> >>>>>> ))))) 0-: 138.4.2.248:49157: ping timer event already removed
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>> ** user CDC becomed root at this point
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>> [2016-11-18 16:07:11.907892] D [logging.c:1953:_gf_msg_internal]
> >>>>>> 0-logging-infra: Buffer overflow of a buffer whose size limit is 5.
> >>>>>> About to flush least recently used log message to disk
> >>>>>> The message "D [MSGID: 0] [io-threads.c:349:iot_schedule]
> >>>>>> 0-home-lab-3-io-threads: STAT scheduled as fast fop" repeated 7 times
> >>>>>> between [2016-11-18 16:06:17.086098] and [2016-11-18 16:07:11.906944]
> >>>>>> [2016-11-18 16:07:11.907884] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads: LOOKUP
> >>>>>> scheduled as fast fop
> >>>>>> [2016-11-18 16:07:11.908875] D [fuse-bridge.c:5264:notify] 0-fuse: got
> >>>>>> event 19 on graph -1418558531
> >>>>>> [2016-11-18 16:07:11.909179] D [fuse-bridge.c:5264:notify] 0-fuse: got
> >>>>>> event 19 on graph 0
> >>>>>> [2016-11-18 16:07:11.909256] D [logging.c:1953:_gf_msg_internal]
> >>>>>> 0-logging-infra: Buffer overflow of a buffer whose size limit is 5.
> >>>>>> About to flush least recently used log message to disk
> >>>>>> The message "D [MSGID: 0] [io-threads.c:349:iot_schedule]
> >>>>>> 0-home-lab-3-io-threads: UNLINK scheduled as normal fop" repeated 2
> >>>>>> times between [2016-11-18 16:06:17.047671] and [2016-11-18
> >>>>>> 16:07:11.908114]
> >>>>>> [2016-11-18 16:07:11.909254] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads:
> >>>>>> STAT scheduled
> >>>>>> as fast fop
> >>>>>> [2016-11-18 16:07:11.911109] D [logging.c:1953:_gf_msg_internal]
> >>>>>> 0-logging-infra: Buffer overflow of a buffer whose size limit is 5.
> >>>>>> About to flush least recently used log message to disk
> >>>>>> [2016-11-18 16:07:11.911018] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads: LOOKUP
> >>>>>> scheduled as fast fop
> >>>>>> [2016-11-18 16:07:11.911107] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads: UNLINK
> >>>>>> scheduled as normal fop
> >>>>>> [2016-11-18 16:07:11.911871] D [fuse-bridge.c:5264:notify] 0-fuse: got
> >>>>>> event 19 on graph -1418558531
> >>>>>> [2016-11-18 16:07:11.912045] D [fuse-bridge.c:5264:notify] 0-fuse: got
> >>>>>> event 19 on graph 0
> >>>>>> [2016-11-18 16:07:11.913067] D [logging.c:1953:_gf_msg_internal]
> >>>>>> 0-logging-infra: Buffer overflow of a buffer whose size limit is 5.
> >>>>>> About to flush least recently used log message to disk
> >>>>>> The message "D [MSGID: 0] [io-threads.c:349:iot_schedule]
> >>>>>> 0-home-lab-3-io-threads: STAT scheduled as fast fop" repeated 2 times
> >>>>>> between [2016-11-18 16:07:11.909254] and [2016-11-18 16:07:11.912165]
> >>>>>> [2016-11-18 16:07:11.913065] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads: LOOKUP
> >>>>>> scheduled as fast fop
> >>>>>> [2016-11-18 16:07:11.913193] D [MSGID: 0]
> >>>>>> [dht-common.c:2684:dht_lookup]
> >>>>>> 0-home-lab-3-dht: Calling fresh lookup for /cdc/444.txt on
> >>>>>> home-lab-3-client-0
> >>>>>> [2016-11-18 16:07:11.913710] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-0 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.913757] D [MSGID: 0]
> >>>>>> [dht-common.c:2271:dht_lookup_cbk] 0-home-lab-3-dht: fresh_lookup
> >>>>>> returned for /cdc/444.txt with op_ret -1 [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.913788] D [MSGID: 0]
> >>>>>> [dht-common.c:2284:dht_lookup_cbk] 0-home-lab-3-dht: Entry
> >>>>>> /cdc/444.txt
> >>>>>> missing on subvol home-lab-3-client-0
> >>>>>> [2016-11-18 16:07:11.913810] D [MSGID: 0]
> >>>>>> [dht-common.c:2055:dht_lookup_everywhere] 0-home-lab-3-dht: winding
> >>>>>> lookup call to 4 subvols
> >>>>>> [2016-11-18 16:07:11.914336] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-0 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.914379] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/444.txt) from subvol
> >>>>>> home-lab-3-client-0
> >>>>>> [2016-11-18 16:07:11.914424] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-1 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.914448] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/444.txt) from subvol
> >>>>>> home-lab-3-client-1
> >>>>>> [2016-11-18 16:07:11.914501] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-3 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.914617] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/444.txt) from subvol
> >>>>>> home-lab-3-client-3
> >>>>>> [2016-11-18 16:07:11.914649] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-2 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.914698] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/444.txt) from subvol
> >>>>>> home-lab-3-client-2
> >>>>>> [2016-11-18 16:07:11.914724] D [MSGID: 0]
> >>>>>> [dht-common.c:1527:dht_lookup_everywhere_done]
> >>>>>> 0-home-lab-3-dht: STATUS:
> >>>>>> hashed_subvol home-lab-3-client-0 cached_subvol null
> >>>>>> [2016-11-18 16:07:11.914743] D [MSGID: 0]
> >>>>>> [dht-common.c:1588:dht_lookup_everywhere_done] 0-home-lab-3-dht: There
> >>>>>> was no cached file and unlink on hashed is not skipped /cdc/444.txt
> >>>>>> [2016-11-18 16:07:11.914764] D [MSGID: 0]
> >>>>>> [dht-common.c:1591:dht_lookup_everywhere_done] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-dht returned -1
> >>>>>> error: No such
> >>>>>> file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.914791] D [MSGID: 0]
> >>>>>> [io-cache.c:256:ioc_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3-io-cache returned -1 error: No such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.914825] D [MSGID: 0]
> >>>>>> [quick-read.c:447:qr_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3-quick-read returned -1 error: No
> >>>>>> such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.914855] D [MSGID: 0]
> >>>>>> [md-cache.c:863:mdc_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3-md-cache returned -1 error: No such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.914880] D [MSGID: 0]
> >>>>>> [defaults.c:1266:default_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3-io-threads returned -1 error: No
> >>>>>> such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.914947] D [MSGID: 0]
> >>>>>> [io-stats.c:2116:io_stats_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3 returned -1 error: No such file
> >>>>>> or directory
> >>>>>> [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.915569] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads: LOOKUP
> >>>>>> scheduled as fast fop
> >>>>>> [2016-11-18 16:07:11.915644] D [MSGID: 0]
> >>>>>> [dht-common.c:2684:dht_lookup]
> >>>>>> 0-home-lab-3-dht: Calling fresh lookup for /cdc/444.txt on
> >>>>>> home-lab-3-client-0
> >>>>>> [2016-11-18 16:07:11.916090] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-0 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.916134] D [MSGID: 0]
> >>>>>> [dht-common.c:2271:dht_lookup_cbk] 0-home-lab-3-dht: fresh_lookup
> >>>>>> returned for /cdc/444.txt with op_ret -1 [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.916158] D [MSGID: 0]
> >>>>>> [dht-common.c:2284:dht_lookup_cbk] 0-home-lab-3-dht: Entry
> >>>>>> /cdc/444.txt
> >>>>>> missing on subvol home-lab-3-client-0
> >>>>>> [2016-11-18 16:07:11.916185] D [MSGID: 0]
> >>>>>> [dht-common.c:2055:dht_lookup_everywhere] 0-home-lab-3-dht: winding
> >>>>>> lookup call to 4 subvols
> >>>>>> [2016-11-18 16:07:11.916593] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-0 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.916780] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/444.txt) from subvol
> >>>>>> home-lab-3-client-0
> >>>>>> [2016-11-18 16:07:11.916878] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-3 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.916994] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/444.txt) from subvol
> >>>>>> home-lab-3-client-3
> >>>>>> [2016-11-18 16:07:11.917076] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-2 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.916906] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-1 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.917117] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/444.txt) from subvol
> >>>>>> home-lab-3-client-2
> >>>>>> [2016-11-18 16:07:11.917153] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/444.txt) from subvol
> >>>>>> home-lab-3-client-1
> >>>>>> [2016-11-18 16:07:11.917205] D [MSGID: 0]
> >>>>>> [dht-common.c:1527:dht_lookup_everywhere_done]
> >>>>>> 0-home-lab-3-dht: STATUS:
> >>>>>> hashed_subvol home-lab-3-client-0 cached_subvol null
> >>>>>> [2016-11-18 16:07:11.917368] D [MSGID: 0]
> >>>>>> [dht-common.c:1588:dht_lookup_everywhere_done] 0-home-lab-3-dht: There
> >>>>>> was no cached file and unlink on hashed is not skipped /cdc/444.txt
> >>>>>> [2016-11-18 16:07:11.917437] D [MSGID: 0]
> >>>>>> [dht-common.c:1591:dht_lookup_everywhere_done] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-dht returned -1
> >>>>>> error: No such
> >>>>>> file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.917467] D [MSGID: 0]
> >>>>>> [io-cache.c:256:ioc_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3-io-cache returned -1 error: No such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.917496] D [MSGID: 0]
> >>>>>> [quick-read.c:447:qr_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3-quick-read returned -1 error: No
> >>>>>> such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.917521] D [MSGID: 0]
> >>>>>> [md-cache.c:863:mdc_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3-md-cache returned -1 error: No such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.917551] D [MSGID: 0]
> >>>>>> [defaults.c:1266:default_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3-io-threads returned -1 error: No
> >>>>>> such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.917726] D [MSGID: 0]
> >>>>>> [io-stats.c:2116:io_stats_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3 returned -1 error: No such file
> >>>>>> or directory
> >>>>>> [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.917958] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads:
> >>>>>> MKNOD scheduled
> >>>>>> as normal fop
> >>>>>> [2016-11-18 16:07:11.918230] D [MSGID: 0]
> >>>>>> [dht-common.c:5559:dht_mknod_wind_to_avail_subvol] 0-home-lab-3-dht:
> >>>>>> creating /cdc/444.txt on home-lab-3-client-0
> >>>>>> [2016-11-18 16:07:11.918488] D [MSGID: 0]
> >>>>>> [dht-diskusage.c:92:dht_du_info_cbk] 0-home-lab-3-dht: subvolume
> >>>>>> 'home-lab-3-client-1': avail_percent is: 96.00 and avail_space is:
> >>>>>> 10456166432768 and avail_inodes is: 99.00
> >>>>>> [2016-11-18 16:07:11.918570] D [MSGID: 0]
> >>>>>> [dht-diskusage.c:92:dht_du_info_cbk] 0-home-lab-3-dht: subvolume
> >>>>>> 'home-lab-3-client-3': avail_percent is: 95.00 and avail_space is:
> >>>>>> 8600417075200 and avail_inodes is: 99.00
> >>>>>> [2016-11-18 16:07:11.918603] D [MSGID: 0]
> >>>>>> [dht-diskusage.c:92:dht_du_info_cbk] 0-home-lab-3-dht: subvolume
> >>>>>> 'home-lab-3-client-2': avail_percent is: 96.00 and avail_space is:
> >>>>>> 10500905500672 and avail_inodes is: 99.00
> >>>>>> [2016-11-18 16:07:11.918675] D [MSGID: 0]
> >>>>>> [dht-diskusage.c:92:dht_du_info_cbk] 0-home-lab-3-dht: subvolume
> >>>>>> 'home-lab-3-client-0': avail_percent is: 95.00 and avail_space is:
> >>>>>> 10499686531072 and avail_inodes is: 99.00
> >>>>>> [2016-11-18 16:07:11.919095] D [fuse-bridge.c:5264:notify] 0-fuse: got
> >>>>>> event 19 on graph -1418558531
> >>>>>> [2016-11-18 16:07:11.919377] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads:
> >>>>>> STAT scheduled
> >>>>>> as fast fop
> >>>>>> [2016-11-18 16:07:11.920040] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads:
> >>>>>> OPEN scheduled
> >>>>>> as fast fop
> >>>>>> [2016-11-18 16:07:11.920889] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads:
> >>>>>> WRITE scheduled
> >>>>>> as slow fop
> >>>>>> [2016-11-18 16:07:11.921051] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads:
> >>>>>> FSTAT scheduled
> >>>>>> as fast fop
> >>>>>> [2016-11-18 16:07:11.921583] D [fuse-bridge.c:5264:notify] 0-fuse: got
> >>>>>> event 19 on graph 0
> >>>>>> [2016-11-18 16:07:11.922068] D [fuse-bridge.c:52:fuse_invalidate]
> >>>>>> 0-fuse: Invalidate inode id 140363155120276.
> >>>>>> [2016-11-18 16:07:11.922936] I [io-stats.c:1574:io_stats_dump_fd]
> >>>>>> 0-home-lab-3: --- fd stats ---
> >>>>>> [2016-11-18 16:07:11.922988] I [io-stats.c:1579:io_stats_dump_fd]
> >>>>>> 0-home-lab-3: Filename : /cdc/444.txt
> >>>>>> [2016-11-18 16:07:11.923004] I [io-stats.c:1594:io_stats_dump_fd]
> >>>>>> 0-home-lab-3: BytesWritten : 7 bytes
> >>>>>> [2016-11-18 16:07:11.923026] I [io-stats.c:1606:io_stats_dump_fd]
> >>>>>> 0-home-lab-3: Write 000004b+ : 1
> >>>>>> [2016-11-18 16:07:11.923779] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads:
> >>>>>> STAT scheduled
> >>>>>> as fast fop
> >>>>>> [2016-11-18 16:07:11.924504] D [fuse-bridge.c:5264:notify] 0-fuse: got
> >>>>>> event 19 on graph 0
> >>>>>> [2016-11-18 16:07:11.926692] D [logging.c:1953:_gf_msg_internal]
> >>>>>> 0-logging-infra: Buffer overflow of a buffer whose size limit is 5.
> >>>>>> About to flush least recently used log message to disk
> >>>>>> The message "D [MSGID: 0] [io-threads.c:349:iot_schedule]
> >>>>>> 0-home-lab-3-io-threads: SETATTR scheduled as normal fop" repeated 2
> >>>>>> times between [2016-11-18 16:06:17.097104] and [2016-11-18
> >>>>>> 16:07:11.923946]
> >>>>>> [2016-11-18 16:07:11.926690] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads: LOOKUP
> >>>>>> scheduled as fast fop
> >>>>>> [2016-11-18 16:07:11.926858] D [MSGID: 0]
> >>>>>> [dht-common.c:2684:dht_lookup]
> >>>>>> 0-home-lab-3-dht: Calling fresh lookup for /cdc/kk.txt on
> >>>>>> home-lab-3-client-3
> >>>>>> [2016-11-18 16:07:11.927327] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-3 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.927376] D [MSGID: 0]
> >>>>>> [dht-common.c:2271:dht_lookup_cbk] 0-home-lab-3-dht: fresh_lookup
> >>>>>> returned for /cdc/kk.txt with op_ret -1 [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.927401] D [MSGID: 0]
> >>>>>> [dht-common.c:2284:dht_lookup_cbk] 0-home-lab-3-dht: Entry /cdc/kk.txt
> >>>>>> missing on subvol home-lab-3-client-3
> >>>>>> [2016-11-18 16:07:11.927422] D [MSGID: 0]
> >>>>>> [dht-common.c:2055:dht_lookup_everywhere] 0-home-lab-3-dht: winding
> >>>>>> lookup call to 4 subvols
> >>>>>> [2016-11-18 16:07:11.927940] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-0 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.927987] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/kk.txt) from subvol
> >>>>>> home-lab-3-client-0
> >>>>>> [2016-11-18 16:07:11.928043] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-2 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.928055] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-3 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.928058] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-1 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.928170] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/kk.txt) from subvol
> >>>>>> home-lab-3-client-1
> >>>>>> [2016-11-18 16:07:11.928174] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/kk.txt) from subvol
> >>>>>> home-lab-3-client-3
> >>>>>> [2016-11-18 16:07:11.928277] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/kk.txt) from subvol
> >>>>>> home-lab-3-client-2
> >>>>>> [2016-11-18 16:07:11.928360] D [MSGID: 0]
> >>>>>> [dht-common.c:1527:dht_lookup_everywhere_done]
> >>>>>> 0-home-lab-3-dht: STATUS:
> >>>>>> hashed_subvol home-lab-3-client-3 cached_subvol null
> >>>>>> [2016-11-18 16:07:11.928381] D [MSGID: 0]
> >>>>>> [dht-common.c:1588:dht_lookup_everywhere_done] 0-home-lab-3-dht: There
> >>>>>> was no cached file and unlink on hashed is not skipped /cdc/kk.txt
> >>>>>> [2016-11-18 16:07:11.928403] D [MSGID: 0]
> >>>>>> [dht-common.c:1591:dht_lookup_everywhere_done] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-dht returned -1
> >>>>>> error: No such
> >>>>>> file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.928431] D [MSGID: 0]
> >>>>>> [io-cache.c:256:ioc_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3-io-cache returned -1 error: No such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.928456] D [MSGID: 0]
> >>>>>> [quick-read.c:447:qr_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3-quick-read returned -1 error: No
> >>>>>> such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.928480] D [MSGID: 0]
> >>>>>> [md-cache.c:863:mdc_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3-md-cache returned -1 error: No such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.928511] D [MSGID: 0]
> >>>>>> [defaults.c:1266:default_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3-io-threads returned -1 error: No
> >>>>>> such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.928753] D [MSGID: 0]
> >>>>>> [io-stats.c:2116:io_stats_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3 returned -1 error: No such file
> >>>>>> or directory
> >>>>>> [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.930485] D [logging.c:1953:_gf_msg_internal]
> >>>>>> 0-logging-infra: Buffer overflow of a buffer whose size limit is 5.
> >>>>>> About to flush least recently used log message to disk
> >>>>>> [2016-11-18 16:07:11.929862] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads:
> >>>>>> STAT scheduled
> >>>>>> as fast fop
> >>>>>> [2016-11-18 16:07:11.930483] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads: LOOKUP
> >>>>>> scheduled as fast fop
> >>>>>> [2016-11-18 16:07:11.930602] D [MSGID: 0]
> >>>>>> [dht-common.c:2684:dht_lookup]
> >>>>>> 0-home-lab-3-dht: Calling fresh lookup for /cdc/kk.txt on
> >>>>>> home-lab-3-client-3
> >>>>>> [2016-11-18 16:07:11.931071] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-3 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.931124] D [MSGID: 0]
> >>>>>> [dht-common.c:2271:dht_lookup_cbk] 0-home-lab-3-dht: fresh_lookup
> >>>>>> returned for /cdc/kk.txt with op_ret -1 [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.931148] D [MSGID: 0]
> >>>>>> [dht-common.c:2284:dht_lookup_cbk] 0-home-lab-3-dht: Entry /cdc/kk.txt
> >>>>>> missing on subvol home-lab-3-client-3
> >>>>>> [2016-11-18 16:07:11.931348] D [MSGID: 0]
> >>>>>> [dht-common.c:2055:dht_lookup_everywhere] 0-home-lab-3-dht: winding
> >>>>>> lookup call to 4 subvols
> >>>>>> [2016-11-18 16:07:11.931880] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-0 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.931927] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/kk.txt) from subvol
> >>>>>> home-lab-3-client-0
> >>>>>> [2016-11-18 16:07:11.932002] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-3 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.931994] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-2 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.931991] D [MSGID: 0]
> >>>>>> [client-rpc-fops.c:2945:client3_3_lookup_cbk] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-client-1 returned
> >>>>>> -1 error: No
> >>>>>> such file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.932078] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/kk.txt) from subvol
> >>>>>> home-lab-3-client-2
> >>>>>> [2016-11-18 16:07:11.932116] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/kk.txt) from subvol
> >>>>>> home-lab-3-client-1
> >>>>>> [2016-11-18 16:07:11.932315] D [MSGID: 0]
> >>>>>> [dht-common.c:1862:dht_lookup_everywhere_cbk]
> >>>>>> 0-home-lab-3-dht: returned
> >>>>>> with op_ret -1 and op_errno 2 (/cdc/kk.txt) from subvol
> >>>>>> home-lab-3-client-3
> >>>>>> [2016-11-18 16:07:11.932363] D [MSGID: 0]
> >>>>>> [dht-common.c:1527:dht_lookup_everywhere_done]
> >>>>>> 0-home-lab-3-dht: STATUS:
> >>>>>> hashed_subvol home-lab-3-client-3 cached_subvol null
> >>>>>> [2016-11-18 16:07:11.932383] D [MSGID: 0]
> >>>>>> [dht-common.c:1588:dht_lookup_everywhere_done] 0-home-lab-3-dht: There
> >>>>>> was no cached file and unlink on hashed is not skipped /cdc/kk.txt
> >>>>>> [2016-11-18 16:07:11.932407] D [MSGID: 0]
> >>>>>> [dht-common.c:1591:dht_lookup_everywhere_done] 0-stack-trace:
> >>>>>> stack-address: 0x7fa8ee0e1310, home-lab-3-dht returned -1
> >>>>>> error: No such
> >>>>>> file or directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.932446] D [MSGID: 0]
> >>>>>> [io-cache.c:256:ioc_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3-io-cache returned -1 error: No such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.932471] D [MSGID: 0]
> >>>>>> [quick-read.c:447:qr_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3-quick-read returned -1 error: No
> >>>>>> such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.932494] D [MSGID: 0]
> >>>>>> [md-cache.c:863:mdc_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3-md-cache returned -1 error: No such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.932518] D [MSGID: 0]
> >>>>>> [defaults.c:1266:default_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3-io-threads returned -1 error: No
> >>>>>> such file or
> >>>>>> directory [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.932725] D [logging.c:1953:_gf_msg_internal]
> >>>>>> 0-logging-infra: Buffer overflow of a buffer whose size limit is 5.
> >>>>>> About to flush least recently used log message to disk
> >>>>>> [2016-11-18 16:07:11.932545] D [MSGID: 0]
> >>>>>> [io-stats.c:2116:io_stats_lookup_cbk] 0-stack-trace: stack-address:
> >>>>>> 0x7fa8ee0e1310, home-lab-3 returned -1 error: No such file
> >>>>>> or directory
> >>>>>> [No such file or directory]
> >>>>>> [2016-11-18 16:07:11.932722] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads:
> >>>>>> MKNOD scheduled
> >>>>>> as normal fop
> >>>>>> [2016-11-18 16:07:11.933008] D [MSGID: 0]
> >>>>>> [dht-common.c:5559:dht_mknod_wind_to_avail_subvol] 0-home-lab-3-dht:
> >>>>>> creating /cdc/kk.txt on home-lab-3-client-3
> >>>>>> [2016-11-18 16:07:11.934086] D [fuse-bridge.c:5264:notify] 0-fuse: got
> >>>>>> event 19 on graph -1418558531
> >>>>>> [2016-11-18 16:07:11.934323] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads: SETATTR
> >>>>>> scheduled as normal fop
> >>>>>> [2016-11-18 16:07:11.934922] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads:
> >>>>>> STAT scheduled
> >>>>>> as fast fop
> >>>>>> [2016-11-18 16:07:11.935497] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads: SETATTR
> >>>>>> scheduled as normal fop
> >>>>>> [2016-11-18 16:07:11.936102] D [fuse-bridge.c:5264:notify] 0-fuse: got
> >>>>>> event 19 on graph 0
> >>>>>> [2016-11-18 16:07:11.936903] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads:
> >>>>>> OPEN scheduled
> >>>>>> as fast fop
> >>>>>> [2016-11-18 16:07:11.937540] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads:
> >>>>>> WRITE scheduled
> >>>>>> as slow fop
> >>>>>> [2016-11-18 16:07:11.937682] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads:
> >>>>>> FSTAT scheduled
> >>>>>> as fast fop
> >>>>>> [2016-11-18 16:07:11.938267] D [fuse-bridge.c:5264:notify] 0-fuse: got
> >>>>>> event 19 on graph 0
> >>>>>> [2016-11-18 16:07:11.938757] D [fuse-bridge.c:52:fuse_invalidate]
> >>>>>> 0-fuse: Invalidate inode id 140363155120652.
> >>>>>> [2016-11-18 16:07:11.938994] I [io-stats.c:1574:io_stats_dump_fd]
> >>>>>> 0-home-lab-3: --- fd stats ---
> >>>>>> [2016-11-18 16:07:11.939072] I [io-stats.c:1579:io_stats_dump_fd]
> >>>>>> 0-home-lab-3: Filename : /cdc/kk.txt
> >>>>>> [2016-11-18 16:07:11.939096] I [io-stats.c:1594:io_stats_dump_fd]
> >>>>>> 0-home-lab-3: BytesWritten : 7 bytes
> >>>>>> [2016-11-18 16:07:11.939112] I [io-stats.c:1606:io_stats_dump_fd]
> >>>>>> 0-home-lab-3: Write 000004b+ : 1
> >>>>>> [2016-11-18 16:07:11.939448] D [MSGID: 0]
> >>>>>> [io-threads.c:349:iot_schedule] 0-home-lab-3-io-threads: SETATTR
> >>>>>> scheduled as normal fop
> >>>>>> [2016-11-18 16:07:11.940028] D [fuse-bridge.c:5264:notify] 0-fuse: got
> >>>>>> event 19 on graph 0
> >>>>>> [2016-11-18 16:07:11.942130] D [fuse-bridge.c:5264:notify] 0-fuse: got
> >>>>>> event 19 on graph 0
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>> ** TEST DONE as root --> NO PROBLEM
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>> [2016-11-18 16:07:28.794150] D
> >>>>>> [rpc-clnt-ping.c:295:rpc_clnt_start_ping]
> >>>>>> 0-home-lab-3-client-2: returning as transport is already
> >>>>>> disconnected OR
> >>>>>> there are no frames (0 || 0)
> >>>>>> [2016-11-18 16:07:31.794656] D
> >>>>>> [rpc-clnt-ping.c:295:rpc_clnt_start_ping]
> >>>>>> 0-home-lab-3-client-0: returning as transport is already
> >>>>>> disconnected OR
> >>>>>> there are no frames (0 || 0)
> >>>>>> [2016-11-18 16:07:31.794925] D
> >>>>>> [rpc-clnt-ping.c:295:rpc_clnt_start_ping]
> >>>>>> 0-home-lab-3-client-1: returning as transport is already
> >>>>>> disconnected OR
> >>>>>> there are no frames (0 || 0)
> >>>>>> [2016-11-18 16:07:31.794984] D
> >>>>>> [rpc-clnt-ping.c:295:rpc_clnt_start_ping]
> >>>>>> 0-home-lab-3-client-3: returning as transport is already
> >>>>>> disconnected OR
> >>>>>> there are no frames (0 || 0)
> >>>>>>
> >>>>>>
> >>>>>> ** USER ROOT EXITED at this point
> >>>>>>
> >>>>>> El 18/11/16 a las 15:16, Miklos Szeredi escribió:
> >>>>>>> On Wed, Nov 16, 2016 at 7:19 PM, Omar Walid Llorente
> >>>>>>> <omar@xxxxxxxxxx>
> >>>>>>> wrote:
> >>>>>>>
> >>>>>>>> In any case, the kernel we are using (3.13.0-96-generic #143-Ubuntu
> >>>>>>>> SMP Mon
> >>>>>>>> Aug 29 20:15:20 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux) has fuse
> >>>>>>>> included
> >>>>>>>> (not as a module) so if it would be necessary to change
> >>>>>>>> the fuse mount
> >>>>>>>> options some help would be needed.
> >>>>>>> Can you reproduce this on latest (e.g 4.8) kernel?
> >>>>>>>
> >>>>>>> Also fuse debug logs (with whaterver kernel) could be
> >>>>>>> useful; not sure
> >>>>>>> how to enable it for glusterfs, usual convention for fuse filesystems
> >>>>>>> is "-d".
> >>>>>>>
> >>>>>>> Thanks,
> >>>>>>> Miklos
> >>>> --
> >>>> To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
> >>>> the body of a message to majordomo@xxxxxxxxxxxxxxx
> >>>> More majordomo info at http://vger.kernel.org/majordomo-info.html
> >>>>
> >> --
> >> ----------------------------------------------------------------
> >> Centro de Cálculo Depto. Ingeniería Sistemas Telemáticos
> >> E-mail: omar@xxxxxxxxxx Universidad Politécnica de Madrid
> >> Fax:(+34) 913367333 E.T.S. Ing. Telecomunicación
> >> Tel:(+34) 915495700-Ext.3005 28040 Madrid (Spain)
> >> Tel:(+34) 915495762-Ext.3005
> >> Tel:(+34) 913367366-Ext.3005
> >> ----------------------------------------------------------------
>
> --
> ----------------------------------------------------------------
> Centro de Cálculo Depto. Ingeniería Sistemas Telemáticos
> E-mail: omar@xxxxxxxxxx Universidad Politécnica de Madrid
> Fax:(+34) 913367333 E.T.S. Ing. Telecomunicación
> Tel:(+34) 915495700-Ext.3005 28040 Madrid (Spain)
> Tel:(+34) 915495762-Ext.3005
> Tel:(+34) 913367366-Ext.3005
> ----------------------------------------------------------------
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
>
> ::DISCLAIMER::
> ----------------------------------------------------------------------------------------------------------------------------------------------------
>
> The contents of this e-mail and any attachment(s) are confidential and intended for the named recipient(s) only.
> E-mail transmission is not guaranteed to be secure or error-free as information could be intercepted, corrupted,
> lost, destroyed, arrive late or incomplete, or may contain viruses in transmission. The e mail and its contents
> (with or without referred errors) shall therefore not attach any liability on the originator or HCL or its affiliates.
> Views or opinions, if any, presented in this email are solely those of the author and may not necessarily reflect the
> views or opinions of HCL or its affiliates. Any form of reproduction, dissemination, copying, disclosure, modification,
> distribution and / or publication of this message without the prior written consent of authorized representative of
> HCL is strictly prohibited. If you have received this email in error please delete it and notify the sender immediately.
> Before opening any email and/or attachments, please check them for viruses and other defects.
>
> ----------------------------------------------------------------------------------------------------------------------------------------------------
--
To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
