Re: ceph-fuse auto down

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Thank you for log archives.

I went to dentist -;
Please do not forget CCing ceph-users from the next because there is a bunch of really **awesome** guys;

Can you re-attach log files again so that they see?

Shinobu

----- Original Message -----
From: "谷枫" <feicheche@xxxxxxxxx>
To: "Shinobu Kinjo" <skinjo@xxxxxxxxxx>
Sent: Saturday, September 12, 2015 5:32:31 PM
Subject: Re:  ceph-fuse auto down

The mds log shows that the client session timeout then mds close the socket
right?
I think this happend behind the ceph-fuse crash. So the root cause is the
ceph-fuse crash .

2015-09-12 15:09 GMT+08:00 谷枫 <feicheche@xxxxxxxxx>:

> Hi,Shinobu
> I notice some useful message in the mds-log.
>
> 2015-09-12 14:29 GMT+08:00 谷枫 <feicheche@xxxxxxxxx>:
>
>> ​
>>  _usr_bin_ceph-fuse.0.crash.client1.tar.gz
>> <https://drive.google.com/file/d/0Bw059OTYnFqAbDA2R0RlS3ZHNlU/view?usp=drive_web>
>> ​​
>>  _usr_bin_ceph-fuse.0.crash.client2.tar.gz
>> <https://drive.google.com/file/d/0Bw059OTYnFqAMXVCWTV6UXVnRjg/view?usp=drive_web>
>> ​Hi,Shinobu
>> I check the /var/log/dmesg carefully again, but not find the useful
>> message about ceph-fuse crash.
>> So i attach two _usr_bin_ceph-fuse.0.crash files on two clients to you.
>> Please let me know if you want more about other log. Thank you very much!
>>
>> 2015-09-12 13:01 GMT+08:00 Shinobu Kinjo <skinjo@xxxxxxxxxx>:
>>
>>> Ah, you are using ubuntu, sorry for that.
>>> How about:
>>>
>>>   /var/log/dmesg
>>>
>>> I believe you can attach file not paste.
>>> Pasting a bunch of logs would not be good for me -;
>>>
>>> And when did you notice that cephfs was hung?
>>>
>>> Shinobu
>>>
>>> ----- Original Message -----
>>> From: "谷枫" <feicheche@xxxxxxxxx>
>>> To: "Shinobu Kinjo" <skinjo@xxxxxxxxxx>
>>> Cc: "ceph-users" <ceph-users@xxxxxxxxxxxxxx>
>>> Sent: Saturday, September 12, 2015 1:50:05 PM
>>> Subject: Re:  ceph-fuse auto down
>>>
>>> hi,Shinobu
>>> There is no /var/log/messages on my system but i saw the /var/log/syslog
>>> and no useful messages be found.
>>> I discover the /var/crash/_usr_bin_ceph-fuse.0.crash with grep the "fuse"
>>> on the system.
>>> Below is the message in it :
>>> ProcStatus:
>>>  Name:  ceph-fuse
>>>  State: D (disk sleep)
>>>  Tgid:  2903
>>>  Ngid:  0
>>>  Pid:   2903
>>>  PPid:  1
>>>  TracerPid:     0
>>>  Uid:   0       0       0       0
>>>  Gid:   0       0       0       0
>>>  FDSize:        64
>>>  Groups:        0
>>>  VmPeak:         7428552 kB
>>>  VmSize:         6838728 kB
>>>  VmLck:        0 kB
>>>  VmPin:        0 kB
>>>  VmHWM:  1175864 kB
>>>  VmRSS:   343116 kB
>>>  VmData:         6786232 kB
>>>  VmStk:      136 kB
>>>  VmExe:     5628 kB
>>>  VmLib:     7456 kB
>>>  VmPTE:     3404 kB
>>>  VmSwap:               0 kB
>>>  Threads:       37
>>>  SigQ:  1/64103
>>>  SigPnd:        0000000000000000
>>>  ShdPnd:        0000000000000000
>>>  SigBlk:        0000000000001000
>>>  SigIgn:        0000000000001000
>>>  SigCgt:        00000001c18040eb
>>>  CapInh:        0000000000000000
>>>  CapPrm:        0000003fffffffff
>>>  CapEff:        0000003fffffffff
>>>  CapBnd:        0000003fffffffff
>>>  Seccomp:       0
>>>  Cpus_allowed:  ffff
>>>  Cpus_allowed_list:     0-15
>>>  Mems_allowed:  00000000,00000001
>>>  Mems_allowed_list:     0
>>>  voluntary_ctxt_switches:       25
>>>  nonvoluntary_ctxt_switches:    2
>>> Signal: 11
>>> Uname: Linux 3.19.0-28-generic x86_64
>>> UserGroups:
>>> CoreDump: base64
>>>
>>> Is this useful infomations?
>>>
>>>
>>> 2015-09-12 12:33 GMT+08:00 Shinobu Kinjo <skinjo@xxxxxxxxxx>:
>>>
>>> > There should be some complains in /var/log/messages.
>>> > Can you attach?
>>> >
>>> > Shinobu
>>> >
>>> > ----- Original Message -----
>>> > From: "谷枫" <feicheche@xxxxxxxxx>
>>> > To: "ceph-users" <ceph-users@xxxxxxxxxxxxxx>
>>> > Sent: Saturday, September 12, 2015 1:30:49 PM
>>> > Subject:  ceph-fuse auto down
>>> >
>>> > Hi,all
>>> > My cephfs cluster deploy on three nodes with Ceph Hammer 0.94.3 on
>>> Ubuntu
>>> > 14.04 the kernal version is 3.19.0.
>>> >
>>> > I mount the cephfs with ceph-fuse on 9 clients,but some of them
>>> (ceph-fuse
>>> > process) auto down sometimes and i can't find the reason seems like
>>> there
>>> > is no other logs can be found except this file
>>> > /var/log/ceph/ceph-client.admin.log that without useful messages for
>>> me.
>>> >
>>> > When the ceph-fuse down . The mount driver is gone.
>>> > How can i find the reason of this problem. Can some guys give me good
>>> > ideas?
>>> >
>>> > Regards
>>> >
>>> >
>>> > _______________________________________________
>>> > ceph-users mailing list
>>> > ceph-users@xxxxxxxxxxxxxx
>>> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>>> >
>>>
>>
>>
>
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