[Gluster-users] glusterfs client crashes

Gaurav Garg
Sun, 21 Feb 2016 18:28:50 -0000

Hi Dj,

Its seems that your brick process are offline or all brick process have crashed.
Could you paste output of #gluster volume status   and #gluster volume info
command and attach core file.

ccing dht-team member.

Thanks,

~Gaurav



----- Original Message -----
From: "Dj Merrill" <gluster at deej.net>
To: gluster-users at gluster.org
Sent: Sunday, February 21, 2016 10:37:02 PM
Subject: [Gluster-users] glusterfs client crashes

Several weeks ago we started seeing some weird behaviour on our Gluster
client systems.  Things would be working fine for several days, then the
client could no longer access the Gluster filesystems, giving an error:

ls: cannot access /mnt/hpc: Transport endpoint is not connected

We were running version 3.7.6 and this version had been working fine for
a few months until the above started happening.  Thinking that it may be
an OS or kernel update causing the issue, when 3.7.8 came out, we
upgraded in hopes that the issue might be addressed, but we are still
getting having the issue.

All client machines are running Centos 7.2 with the latest updates, and
the problem is happening on several machines.  Not every Gluster client
machine has had the problem, but enough different machines to make us
think that this is more of a generic issue versus one that only affects
specific types of machines (Both Intel and AMD CPUs, different system
manufacturers, etc).

The log file included below from /var/log/glusterfs seems to be showing
a crash of the glusterfs process if I am interpreting it correctly.  At
the top you can see an entry made on the 17th, then no further entries
until the crash today on the 21st.

We would greatly appreciate any help in tracking down the cause and
possible fix for this.

The only way to temporarily "fix" the machines seems to be a reboot,
which allows the machines to work properly for a few days before the
issue happens again (random amount of days, no pattern).


[2016-02-17 23:56:39.685754] I [MSGID: 109036]
[dht-common.c:8043:dht_log_new_layout_for_dir_selfheal] 0-gv0-dht:
Setting layout of /tmp/ktreraya/gms-scr/tmp/123277 with [Subvol_name:
gv0-replicate-0, Err: -1 , Start: 0 , Stop: 4294967295 , Hash: 1 ],
pending frames:
frame : type(1) op(GETXATTR)
frame : type(0) op(0)
frame : type(0) op(0)
frame : type(0) op(0)
frame : type(0) op(0)
frame : type(1) op(GETXATTR)
frame : type(1) op(GETXATTR)
frame : type(0) op(0)
frame : type(0) op(0)
frame : type(1) op(GETXATTR)
frame : type(0) op(0)
frame : type(0) op(0)
frame : type(0) op(0)
frame : type(0) op(0)
frame : type(0) op(0)
frame : type(0) op(0)
frame : type(1) op(GETXATTR)
frame : type(0) op(0)
frame : type(1) op(GETXATTR)
frame : type(0) op(0)
frame : type(1) op(GETXATTR)
frame : type(0) op(0)
frame : type(1) op(GETXATTR)
frame : type(0) op(0)
frame : type(0) op(0)
patchset: git://git.gluster.com/glusterfs.git
signal received: 6
time of crash:
2016-02-21 08:10:40
configuration details:
argp 1
backtrace 1
dlfcn 1
libpthread 1
llistxattr 1
setfsid 1
spinlock 1
epoll.h 1
xattr.h 1
st_atim.tv_nsec 1
package-string: glusterfs 3.7.8
/lib64/libglusterfs.so.0(_gf_msg_backtrace_nomem+0xc2)[0x7ff56ddcd042]
/lib64/libglusterfs.so.0(gf_print_trace+0x31d)[0x7ff56dde950d]
/lib64/libc.so.6(+0x35670)[0x7ff56c4bb670]
/lib64/libc.so.6(gsignal+0x37)[0x7ff56c4bb5f7]
/lib64/libc.so.6(abort+0x148)[0x7ff56c4bcce8]
/lib64/libc.so.6(+0x75317)[0x7ff56c4fb317]
/lib64/libc.so.6(+0x7d023)[0x7ff56c503023]
/usr/lib64/glusterfs/3.7.8/xlator/protocol/client.so(client_local_wipe+0x39)[0x7ff5600a46b9]
/usr/lib64/glusterfs/3.7.8/xlator/protocol/client.so(client3_3_getxattr_cbk+0x182)[0x7ff5600a7f62]
/lib64/libgfrpc.so.0(rpc_clnt_handle_reply+0x90)[0x7ff56db9ba20]
/lib64/libgfrpc.so.0(rpc_clnt_notify+0x1bf)[0x7ff56db9bcdf]
/lib64/libgfrpc.so.0(rpc_transport_notify+0x23)[0x7ff56db97823]
/usr/lib64/glusterfs/3.7.8/rpc-transport/socket.so(+0x6636)[0x7ff5627a8636]
/usr/lib64/glusterfs/3.7.8/rpc-transport/socket.so(+0x9294)[0x7ff5627ab294]
/lib64/libglusterfs.so.0(+0x878ea)[0x7ff56de2e8ea]
/lib64/libpthread.so.0(+0x7dc5)[0x7ff56cc35dc5]
/lib64/libc.so.6(clone+0x6d)[0x7ff56c57c28d]


Thank you,

-Dj
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