Re: Understanding client logs

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Marcus,
Please paste the name-version-release of the primary glusterfs package on your system.

If possible, also describe the typical workload that happens at the mount via the user application.



On Tue, Jan 23, 2018 at 7:43 PM, Marcus Pedersén <marcus.pedersen@xxxxxx> wrote:
Hi all,
I have problem pin pointing an error, that users of
my system experience processes that crash.
The thing that have changed since the craches started
is that I added a gluster cluster.
Of cause the users start to attack my gluster cluster.

I started looking at logs, starting from the client side.
I just need help to understand how to read it in the right way.
I can see that every ten minutes the client changes port and
attach to the remote volume. About five minutes later
the client unmounts the volume.
I guess that this is the "old" mount and that the "new" mount
is already responding to user interaction?

As this repeates every ten minutes I see this as normal behavior
and just want to get a better understanding on how the client
interacts with the cluster.

Have you experienced that this switch malfunctions and the
mount becomes unreachable for a while?

Many thanks in advance!

Best regards
Marcus Pederén

An example of the output:
[2017-11-09 10:10:39.776403] I [rpc-clnt.c:2000:rpc_clnt_reconfig] 0-interbull-interbull-client-1: changing port to 49160 (from 0)
[2017-11-09 10:10:39.776830] I [MSGID: 114057] [client-handshake.c:1451:select_server_supported_programs] 0-interbull-interbull-client-0: Using Program GlusterFS 3.3, Num (1298437), Version (330)
[2017-11-09 10:10:39.777642] I [MSGID: 114046] [client-handshake.c:1216:client_setvolume_cbk] 0-interbull-interbull-client-0: Connected to interbull-interbull-client-0, attached to remote volume '/interbullfs/i\
nterbull'.
[2017-11-09 10:10:39.777663] I [MSGID: 114047] [client-handshake.c:1227:client_setvolume_cbk] 0-interbull-interbull-client-0: Server and Client lk-version numbers are not same, reopening the fds
[2017-11-09 10:10:39.777724] I [MSGID: 108005] [afr-common.c:4756:afr_notify] 0-interbull-interbull-replicate-0: Subvolume 'interbull-interbull-client-0' came back up; going online.
[2017-11-09 10:10:39.777954] I [MSGID: 114035] [client-handshake.c:202:client_set_lk_version_cbk] 0-interbull-interbull-client-0: Server lk version = 1
[2017-11-09 10:10:39.779909] I [MSGID: 114057] [client-handshake.c:1451:select_server_supported_programs] 0-interbull-interbull-client-1: Using Program GlusterFS 3.3, Num (1298437), Version (330)
[2017-11-09 10:10:39.780481] I [MSGID: 114046] [client-handshake.c:1216:client_setvolume_cbk] 0-interbull-interbull-client-1: Connected to interbull-interbull-client-1, attached to remote volume '/interbullfs/i\
nterbull'.
[2017-11-09 10:10:39.780509] I [MSGID: 114047] [client-handshake.c:1227:client_setvolume_cbk] 0-interbull-interbull-client-1: Server and Client lk-version numbers are not same, reopening the fds
[2017-11-09 10:10:39.781544] I [MSGID: 114035] [client-handshake.c:202:client_set_lk_version_cbk] 0-interbull-interbull-client-1: Server lk version = 1
[2017-11-09 10:10:39.781608] I [fuse-bridge.c:4146:fuse_init] 0-glusterfs-fuse: FUSE inited with protocol versions: glusterfs 7.24 kernel 7.26
[2017-11-09 10:10:39.781632] I [fuse-bridge.c:4831:fuse_graph_sync] 0-fuse: switched to graph 0
[2017-11-09 10:16:10.609922] I [fuse-bridge.c:5089:fuse_thread_proc] 0-fuse: unmounting /interbull
[2017-11-09 10:16:10.610258] W [glusterfsd.c:1329:cleanup_and_exit] (-->/usr/lib/libpthread.so.0(+0x72e7) [0x7f98c02282e7] -->/usr/bin/glusterfs(glusterfs_sigwaiter+0xdd) [0x40890d] -->/usr/bin/glusterfs(cleanu\
p_and_exit+0x4b) [0x40878b] ) 0-: received signum (15), shutting down
[2017-11-09 10:16:10.610290] I [fuse-bridge.c:5802:fini] 0-fuse: Unmounting '/interbull'.
[2017-11-09 10:20:39.752079] I [MSGID: 100030] [glusterfsd.c:2460:main] 0-/usr/bin/glusterfs: Started running /usr/bin/glusterfs version 3.10.1 (args: /usr/bin/glusterfs --negative-timeout=60 --volfile-server=1\
92.168.67.31 --volfile-id=/interbull-interbull /interbull)
[2017-11-09 10:20:39.763902] I [MSGID: 101190] [event-epoll.c:629:event_dispatch_epoll_worker] 0-epoll: Started thread with index 1
[2017-11-09 10:20:39.768738] I [afr.c:94:fix_quorum_options] 0-interbull-interbull-replicate-0: reindeer: incoming qtype = none
[2017-11-09 10:20:39.768756] I [afr.c:116:fix_quorum_options] 0-interbull-interbull-replicate-0: reindeer: quorum_count = 0
[2017-11-09 10:20:39.768856] W [MSGID: 108040] [afr.c:315:afr_pending_xattrs_init] 0-interbull-interbull-replicate-0: Unable to fetch afr-pending-xattr option from volfile. Falling back to using client translat\
or names.
[2017-11-09 10:20:39.769832] I [MSGID: 101190] [event-epoll.c:629:event_dispatch_epoll_worker] 0-epoll: Started thread with index 2
[2017-11-09 10:20:39.770193] I [MSGID: 114020] [client.c:2352:notify] 0-interbull-interbull-client-0: parent translators are ready, attempting connect on transport
[2017-11-09 10:20:39.773109] I [MSGID: 114020] [client.c:2352:notify] 0-interbull-interbull-client-1: parent translators are ready, attempting connect on transport
[2017-11-09 10:20:39.773712] I [rpc-clnt.c:2000:rpc_clnt_reconfig] 0-interbull-interbull-client-0: changing port to 49177 (from 0)


--
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* Marcus Pedersén                                *
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--
Milind

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