Re: CephFS is not maintianing conistency

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



What version are you running on your servers and clients? 

On the clients:

ceph-fuse --version
ceph version 9.2.0 (bb2ecea240f3a1d525bcb35670cb07bd1f0ca299)

MDS/OSD/MON:

ceph --version
ceph version 9.2.0 (bb2ecea240f3a1d525bcb35670cb07bd1f0ca299)

 Exactly what changes are you making that aren't visible?

I am creating some new files in non-root folders.

What's the output of "ceph -s"?

ceph -s

    cluster 98d72518-6619-4b5c-b148-9a781ef13bcb
     health HEALTH_OK
     monmap e1: 1 mons at {000-s-ragnarok=XXX.XXX.XXX.XXX:6789/0}
            election epoch 1, quorum 0 000-s-ragnarok
     mdsmap e576: 1/1/1 up {0=000-s-ragnarok=up:active}
     osdmap e233: 16 osds: 16 up, 16 in
            flags sortbitwise
      pgmap v1927636: 1088 pgs, 2 pools, 1907 GB data, 2428 kobjects
            3844 GB used, 25949 GB / 29793 GB avail
                1088 active+clean
  client io 4381 B/s wr, 2 op

In addition on the clients' side I have

cat /etc/fuse.conf

user_allow_other
auto_cache
large_read
max_write = 16777216
max_read = 16777216


-Mykola


On Mon, Feb 1, 2016 at 5:06 PM, Gregory Farnum <gfarnum@xxxxxxxxxx> wrote:
On Monday, February 1, 2016, Mykola Dvornik <mykola.dvornik@xxxxxxxxx> wrote:
Hi guys,

This is sort of rebuttal.

I have a CephFS deployed and mounted on a couple of clients via ceph-fuse (due to quota support and possibility to kill the ceph-fuse process to avoid stale mounts).

So the problems is that some times the changes made on one client are not visible on the others. It appears to me as rather random process. The only solution is to touch a new file in any particular folder that apparently triggers synchronization.

I've been using a kernel-side client before with no such kind of problems. So the questions is it expected behavior of ceph-fuse?

What version are you running on your servers and clients? Exactly what changes are you making that aren't visible? What's the output of "ceph -s"?
We see bugs like this occasionally but I can't think of any recent ones in ceph-fuse -- they're actually seen a lot more often in the kernel client.
-Greg

 

Regards,

Mykola










_______________________________________________
ceph-users mailing list
ceph-users@xxxxxxxxxxxxxx
http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com

[Index of Archives]     [Information on CEPH]     [Linux Filesystem Development]     [Ceph Development]     [Ceph Large]     [Linux USB Development]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [xfs]


  Powered by Linux