Re: never ending logging

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I made another test, I restarded glusterd on all 3 nodes and right after restart I can get partial volume status but Locking failed occurs a few seconds after.

Example of output on node 2 and 3:
root@glusterDevVM2:~# systemctl restart glusterd
root@glusterDevVM2:~# gluster volume status tmp
Status of volume: tmp
Gluster process                             TCP Port  RDMA Port  Online  Pid
------------------------------------------------------------------------------
Brick glusterDevVM2:/bricks/tmp/brick1/data N/A       N/A        N       N/A
Self-heal Daemon on localhost               N/A       N/A        N       N/A

Task Status of Volume tmp
------------------------------------------------------------------------------
There are no active volume tasks

root@glusterDevVM2:~# gluster volume status tmp
Locking failed on glusterDevVM1. Please check log file for details.
root@glusterDevVM2:~# gluster volume status tmp
Status of volume: tmp
Gluster process                             TCP Port  RDMA Port  Online  Pid
------------------------------------------------------------------------------
Brick glusterDevVM1:/bricks/tmp/brick1/data 49215     0          Y       5335
Brick glusterDevVM2:/bricks/tmp/brick1/data 49215     0          Y       5239
Self-heal Daemon on localhost               N/A       N/A        N       N/A
Self-heal Daemon on glusterDevVM1           N/A       N/A        N       N/A

Task Status of Volume tmp
------------------------------------------------------------------------------
There are no active volume tasks

root@glusterDevVM2:~# gluster volume status tmp
Locking failed on glusterDevVM3. Please check log file for details.
Locking failed on glusterDevVM1. Please check log file for details.


root@glusterDevVM3:~# systemctl restart glusterd
root@glusterDevVM3:~# gluster volume status tmp
Status of volume: tmp
Gluster process                             TCP Port  RDMA Port  Online  Pid
------------------------------------------------------------------------------
Brick glusterDevVM1:/bricks/tmp/brick1/data 49215     0          Y       5335
Brick glusterDevVM2:/bricks/tmp/brick1/data 49215     0          Y       5239
Brick glusterDevVM3:/bricks/tmp/brick1/data 49215     0          Y       3693
Self-heal Daemon on localhost               N/A       N/A        N       N/A
Self-heal Daemon on glusterDevVM2           N/A       N/A        N       N/A
Self-heal Daemon on glusterDevVM1           N/A       N/A        Y       102850

Task Status of Volume tmp
------------------------------------------------------------------------------
There are no active volume tasks

root@glusterDevVM3:~# gluster volume status tmp
Locking failed on glusterDevVM2. Please check log file for details.
root@glusterDevVM3:~# gluster volume status tmp
Locking failed on glusterDevVM1. Please check log file for details.
Locking failed on glusterDevVM2. Please check log file for details.
root@glusterDevVM3:~# systemctl restart glusterd
root@glusterDevVM3:~# gluster volume status tmp
Status of volume: tmp
Gluster process                             TCP Port  RDMA Port  Online  Pid
------------------------------------------------------------------------------
Brick glusterDevVM3:/bricks/tmp/brick1/data N/A       N/A        N       N/A
Self-heal Daemon on localhost               N/A       N/A        N       N/A

Task Status of Volume tmp
------------------------------------------------------------------------------
There are no active volume tasks

root@glusterDevVM3:~# gluster volume status tmp
Another transaction is in progress for tmp. Please try again after some time.
root@glusterDevVM3:~# gluster volume status tmp
Another transaction is in progress for tmp. Please try again after some time.
root@glusterDevVM3:~# gluster volume status tmp
Another transaction is in progress for tmp. Please try again after some time.


De: "Nikhil Ladha" <nladha@xxxxxxxxxx>
À: nico@xxxxxxxxxx
Cc: "gluster-users" <gluster-users@xxxxxxxxxxx>
Envoyé: Mardi 28 Avril 2020 14:17:46
Objet: Re: never ending logging

Hi,
It says syntax error in the log you shared, so there must be some mistake in what you are passing as an argument or some spelling mistake. Otherwise, how come it will run on one them and not on other having same configuration?
Also, can you please share the complete log file.
And try restarting all the nodes in the tsp, and execute the commands.

Regards
Nikhil Ladha

On Tue, Apr 28, 2020 at 5:20 PM <nico@xxxxxxxxxx> wrote:
Hi.

Not really worked well, I restarted node 2 at least a dozen of times until almost all bricks go online but the Rejected state disapeared after applying the fix.
I'm not able to create a volume as all gluster commands are issuing the "Another transaction is in progress" error.
All ping are less than 0.5ms.

I noticed another error in brick logs for a failed brick :
[2020-04-28 10:58:59.009933] E [MSGID: 101021] [graph.y:364:graphyyerror] 0-parser: syntax error: line 140 (volume 'data_export-server'): "!SSLv2"
allowed tokens are 'volume', 'type', 'subvolumes', 'option', 'end-volume'()

root@glusterDevVM2:/var/lib/glusterd/vols/data_export# grep -n SSLv2 *
data_export.gfproxyd.vol:8:    option transport.socket.ssl-cipher-list HIGH:\!SSLv2
data_export.gfproxyd.vol:26:    option transport.socket.ssl-cipher-list HIGH:\!SSLv2
data_export.gfproxyd.vol:44:    option transport.socket.ssl-cipher-list HIGH:\!SSLv2
data_export.glusterDevVM1.bricks-data_export-brick1-data.vol:140:    option transport.socket.ssl-cipher-list HIGH:\!SSLv2
data_export.glusterDevVM2.bricks-data_export-brick1-data.vol:140:    option transport.socket.ssl-cipher-list HIGH:\!SSLv2
data_export.glusterDevVM3.bricks-data_export-brick1-data.vol:145:    option transport.socket.ssl-cipher-list HIGH:\!SSLv2
data_export-shd.vol:7:    option transport.socket.ssl-cipher-list HIGH:\!SSLv2
data_export-shd.vol:24:    option transport.socket.ssl-cipher-list HIGH:\!SSLv2
data_export-shd.vol:41:    option transport.socket.ssl-cipher-list HIGH:\!SSLv2
data_export.tcp-fuse.vol:8:    option transport.socket.ssl-cipher-list HIGH:\!SSLv2
data_export.tcp-fuse.vol:24:    option transport.socket.ssl-cipher-list HIGH:\!SSLv2
data_export.tcp-fuse.vol:40:    option transport.socket.ssl-cipher-list HIGH:\!SSLv2
info:22:ssl.cipher-list=HIGH:\!SSLv2
trusted-data_export.tcp-fuse.vol:8:    option transport.socket.ssl-cipher-list HIGH:\!SSLv2
trusted-data_export.tcp-fuse.vol:26:    option transport.socket.ssl-cipher-list HIGH:\!SSLv2
trusted-data_export.tcp-fuse.vol:44:    option transport.socket.ssl-cipher-list HIGH:\!SSLv2
trusted-data_export.tcp-gfproxy-fuse.vol:8:    option transport.socket.ssl-cipher-list HIGH:\!SSLv2

Another volume with same parameters don't show this error :
root@glusterDevVM2:/var/lib/glusterd/vols/userfiles# grep '2020-04-28 10:5[89]:' /var/log/glusterfs/bricks/bricks-userfiles-brick1-data.log
[2020-04-28 10:58:53.427441] I [MSGID: 100030] [glusterfsd.c:2867:main] 0-/usr/sbin/glusterfsd: Started running /usr/sbin/glusterfsd version 7.5 (args: /usr/sbin/glusterfsd -s glusterDevVM2 --volfile-id userfiles.glusterDevVM2.bricks-userfiles-brick1-data -p /var/run/gluster/vols/userfiles/glusterDevVM2-bricks-userfiles-brick1-data.pid -S /var/run/gluster/072c6be1df6e31e4.socket --brick-name /bricks/userfiles/brick1/data -l /var/log/glusterfs/bricks/bricks-userfiles-brick1-data.log --xlator-option *-posix.glusterd-uuid=7f6c3023-144b-4db2-9063-d90926dbdd18 --process-name brick --brick-port 49216 --xlator-option userfiles-server.listen-port=49216)
[2020-04-28 10:58:53.428426] I [glusterfsd.c:2594:daemonize] 0-glusterfs: Pid of current running process is 5184
[2020-04-28 10:58:53.432337] I [socket.c:4350:ssl_setup_connection_params] 0-socket.glusterfsd: SSL support for glusterd is ENABLED
[2020-04-28 10:58:53.436982] I [socket.c:4360:ssl_setup_connection_params] 0-socket.glusterfsd: using certificate depth 1
[2020-04-28 10:58:53.437873] I [socket.c:958:__socket_server_bind] 0-socket.glusterfsd: closing (AF_UNIX) reuse check socket 9
[2020-04-28 10:58:53.438830] I [socket.c:4347:ssl_setup_connection_params] 0-glusterfs: SSL support on the I/O path is ENABLED
[2020-04-28 10:58:53.439206] I [socket.c:4350:ssl_setup_connection_params] 0-glusterfs: SSL support for glusterd is ENABLED
[2020-04-28 10:58:53.439238] I [socket.c:4360:ssl_setup_connection_params] 0-glusterfs: using certificate depth 1
[2020-04-28 10:58:53.441296] I [MSGID: 101190] [event-epoll.c:682:event_dispatch_epoll_worker] 0-epoll: Started thread with index 0
[2020-04-28 10:58:53.441434] I [MSGID: 101190] [event-epoll.c:682:event_dispatch_epoll_worker] 0-epoll: Started thread with index 1
[2020-04-28 10:59:01.609052] I [rpcsvc.c:2690:rpcsvc_set_outstanding_rpc_limit] 0-rpc-service: Configured rpc.outstanding-rpc-limit with value 64
[2020-04-28 10:59:01.609353] I [socket.c:4347:ssl_setup_connection_params] 0-tcp.userfiles-server: SSL support on the I/O path is ENABLED
[2020-04-28 10:59:01.609373] I [socket.c:4350:ssl_setup_connection_params] 0-tcp.userfiles-server: SSL support for glusterd is ENABLED
[2020-04-28 10:59:01.609388] I [socket.c:4360:ssl_setup_connection_params] 0-tcp.userfiles-server: using certificate depth 1
[2020-04-28 10:59:01.609403] I [socket.c:4363:ssl_setup_connection_params] 0-tcp.userfiles-server: using cipher list HIGH:!SSLv2
[2020-04-28 10:59:01.644924] I [socket.c:4350:ssl_setup_connection_params] 0-socket.userfiles-changelog: SSL support for glusterd is ENABLED
[2020-04-28 10:59:01.644958] I [socket.c:4360:ssl_setup_connection_params] 0-socket.userfiles-changelog: using certificate depth 1


De: "Nikhil Ladha" <nladha@xxxxxxxxxx>
À: nico@xxxxxxxxxx
Cc: "gluster-users" <gluster-users@xxxxxxxxxxx>
Envoyé: Mardi 28 Avril 2020 09:31:45
Objet: Re: never ending logging

Hi,
Okay. So, after applying the fix everything worked well? Means all the peers were in connected state?
If so, can you try creating a new volume without enabling SSL and share the log, and also for the volume that is not starting can you try the steps mentioned here https://docs.gluster.org/en/latest/Troubleshooting/troubleshooting-glusterd/ only in the 'Common issues how to resolve them section" and what logs do you get?
Also, could you ping test all the peers?
And the error 'failed to fetch volume files' occurs as it is not able to fetch the vol file from it's peers, as all the peers in the cluster share the same vol file for a volume.

Regards
Nikhil Ladha


On Tue, Apr 28, 2020 at 12:37 PM <nico@xxxxxxxxxx> wrote:
Hi.

No operation on any volume nor brick, the only change was SSL certificate renewal on 3 nodes and all clients. Then, node 2 was rejected and I applied following steps to fix : https://staged-gluster-docs.readthedocs.io/en/release3.7.0beta1/Administrator%20Guide/Resolving%20Peer%20Rejected/
I also saw https://docs.gluster.org/en/latest/Troubleshooting/troubleshooting-glusterd/ but solution wasn't compatible as cluster.max-op-version doesn't exist and all op-version are the same on all 3 nodes.

The strange thing is error "failed to fetch volume file" occurs on the node owning the brick, does it means it can't access it's own brick ?

Regards,
Nicolas.

De: "Nikhil Ladha" <nladha@xxxxxxxxxx>
À: nico@xxxxxxxxxx
Cc: "gluster-users" <gluster-users@xxxxxxxxxxx>
Envoyé: Mardi 28 Avril 2020 07:43:20
Objet: Re: [Gluster-users] never ending logging

Hi,
Since, all things are working fine except few bricks which are not coming up, I doubt there is any issue with gluster itself. Did you by chance made any changes to those bricks or the volume or the node to which they are linked?
And as far as SSL logs are concerned, I am looking into that matter.

Regards
Nikhil Ladha


On Mon, Apr 27, 2020 at 7:17 PM <nico@xxxxxxxxxx> wrote:
Thanks for reply.

I updated storage pool in 7.5 and restarted all 3 nodes sequentially.
All nodes now appear in Connected state from every node and gluster volume list show all 74 volumes.
SSL log lines are still flooding glusterd log file on all nodes but don't appear on grick log files. As there's no information about volume nor client on these lines I'm not able to check if a certain volume produce this error or not.
I alos tried pstack after installing Debian package glusterfs-dbg but still getting "No symbols" error

I found that 5 brick processes didn't start on node 2 and 1 on node 3
[2020-04-27 11:54:23.622659] I [MSGID: 100030] [glusterfsd.c:2867:main] 0-/usr/sbin/glusterfsd: Started running /usr/sbin/glusterfsd version 7.5 (args: /usr/sbin/glusterfsd -s glusterDevVM2 --volfile-id svg_pg_wed_dev_bkp.glusterDevVM2.bricks-svg_pg_wed_dev_bkp-brick1-data -p /var/run/gluster/vols/svg_pg_wed_dev_bkp/glusterDevVM2-bricks-svg_pg_wed_dev_bkp-brick1-data.pid -S /var/run/gluster/5023d38a22a8a874.socket --brick-name /bricks/svg_pg_wed_dev_bkp/brick1/data -l /var/log/glusterfs/bricks/bricks-svg_pg_wed_dev_bkp-brick1-data.log --xlator-option *-posix.glusterd-uuid=7f6c3023-144b-4db2-9063-d90926dbdd18 --process-name brick --brick-port 49206 --xlator-option svg_pg_wed_dev_bkp-server.listen-port=49206)
[2020-04-27 11:54:23.632870] I [glusterfsd.c:2594:daemonize] 0-glusterfs: Pid of current running process is 5331
[2020-04-27 11:54:23.636679] I [socket.c:4350:ssl_setup_connection_params] 0-socket.glusterfsd: SSL support for glusterd is ENABLED
[2020-04-27 11:54:23.636745] I [socket.c:4360:ssl_setup_connection_params] 0-socket.glusterfsd: using certificate depth 1
[2020-04-27 11:54:23.637580] I [socket.c:958:__socket_server_bind] 0-socket.glusterfsd: closing (AF_UNIX) reuse check socket 9
[2020-04-27 11:54:23.637932] I [socket.c:4347:ssl_setup_connection_params] 0-glusterfs: SSL support on the I/O path is ENABLED
[2020-04-27 11:54:23.637949] I [socket.c:4350:ssl_setup_connection_params] 0-glusterfs: SSL support for glusterd is ENABLED
[2020-04-27 11:54:23.637960] I [socket.c:4360:ssl_setup_connection_params] 0-glusterfs: using certificate depth 1
[2020-04-27 11:54:23.639324] I [MSGID: 101190] [event-epoll.c:682:event_dispatch_epoll_worker] 0-epoll: Started thread with index 0
[2020-04-27 11:54:23.639380] I [MSGID: 101190] [event-epoll.c:682:event_dispatch_epoll_worker] 0-epoll: Started thread with index 1
[2020-04-27 11:54:28.933102] E [glusterfsd-mgmt.c:2217:mgmt_getspec_cbk] 0-glusterfs: failed to get the 'volume file' from server
[2020-04-27 11:54:28.933134] E [glusterfsd-mgmt.c:2416:mgmt_getspec_cbk] 0-mgmt: failed to fetch volume file (key:svg_pg_wed_dev_bkp.glusterDevVM2.bricks-svg_pg_wed_dev_bkp-brick1-data)
[2020-04-27 11:54:28.933361] W [glusterfsd.c:1596:cleanup_and_exit] (-->/usr/lib/x86_64-linux-gnu/libgfrpc.so.0(+0xe5d1) [0x7f2b08ec35d1] -->/usr/sbin/glusterfsd(mgmt_getspec_cbk+0x8d0) [0x55d46cb5a110] -->/usr/sbin/glusterfsd(cleanup_and_exit+0x54) [0x55d46cb51ec4] ) 0-: received signum (0), shutting down

I tried to stop the volume but gluster commands are still locked (Another transaction is in progress.).

Best regards,
Nicolas.

De: "Nikhil Ladha" <nladha@xxxxxxxxxx>
À: nico@xxxxxxxxxx
Cc: "gluster-users" <gluster-users@xxxxxxxxxxx>
Envoyé: Lundi 27 Avril 2020 13:34:47
Objet: Re: never ending logging

Hi,
As you mentioned that the node 2 is in "semi-connected" state, I think due to that the locking of volume is failing, and since it is failing in one of the volumes the transaction is not complete and you are seeing a transaction error on another volume.
Moreover, for the repeated logging of lines :
SSL support on the I/O path is enabled, SSL support for glusterd is enabled and using certificate depth 1
If you can try creating a volume without having ssl enabled and then check if the same log messages appear.
Also, if you update to 7.5, and find any change in log message with SSL ENABLED, then please do share that.

Regards
Nikhil Ladha

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