Re: Snapshot auto-delete unmount problem

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Incase anyone is interested this issue was caused by turning on brick multiplexing.

Switching it off made the problem go away...

Gary Lloyd
________________________________________________
I.T. Systems:Keele University
Finance & IT Directorate
Keele:Staffs:IC1 Building:ST5 5NB:UK
+44 1782 733063
________________________________________________

On 31 May 2017 at 14:46, Gary Lloyd <g.lloyd@xxxxxxxxxxx> wrote:
Here is the glusterd.log file as it has just happened with a manual removal of a snapshot.
The lvs exist even after the snapshot gets removed. I'm also running samba on these with shadowcopy. 

Thanks

Gary Lloyd
________________________________________________
I.T. Systems:Keele University
Finance & IT Directorate
Keele:Staffs:IC1 Building:ST5 5NB:UK
+44 1782 733063
________________________________________________

On 31 May 2017 at 12:38, Mohammed Rafi K C <rkavunga@xxxxxxxxxx> wrote:

Can you give us more logs on this issue. Also by any chance did somebody unmount the lv's in any cases ?


Regards

Rafi KC


On 05/31/2017 03:00 PM, Gary Lloyd wrote:
Hi I am having a problem deleting snapshots, gluster is failing to unmount them. I am running centos 7.3 with gluster-3.10.2-1

here is some log output:

[2017-05-31 09:21:39.961371] W [MSGID: 106057] [glusterd-snapshot-utils.c:410:glusterd_snap_volinfo_find] 0-management: Snap volume 331ec972f90d494d8a86dd4f69d718b7.glust01-li.run-gluster-snaps-331ec972f90d494d8a86dd4f69d718b7-brick1-b not found [Invalid argument]
[2017-05-31 09:21:51.520811] W [MSGID: 106112] [glusterd-snapshot.c:8128:glusterd_handle_snap_limit] 0-management: Soft-limit (value = 27) of volume shares1 is reached. Deleting snapshot Snap_GMT-2017.05.31-09.20.04.
[2017-05-31 09:21:51.531729] E [MSGID: 106095] [glusterd-snapshot-utils.c:3359:glusterd_umount] 0-management: umounting /run/gluster/snaps/4f980da64dec424ba0b48d6d36c4c54e/brick1 failed (No such file or directory) [No such file or directory]
[2017-05-31 09:22:00.540373] E [MSGID: 106038] [glusterd-snapshot.c:2895:glusterd_do_lvm_snapshot_remove] 0-management: umount failed for path /run/gluster/snaps/4f980da64dec424ba0b48d6d36c4c54e/brick1 (brick: /run/gluster/snaps/4f980da64dec424ba0b48d6d36c4c54e/brick1/b): No such file or directory.
[2017-05-31 09:22:02.442048] W [MSGID: 106033] [glusterd-snapshot.c:3094:glusterd_lvm_snapshot_remove] 0-management: Failed to rmdir: /run/gluster/snaps/4f980da64dec424ba0b48d6d36c4c54e/, err: Directory not empty. More than one glusterd running on this node. [Directory not empty]
[2017-05-31 09:22:02.443336] W [MSGID: 106039] [glusterd-snapshot-utils.c:55:glusterd_snapobject_delete] 0-management: Failed destroying lockof snap Snap_GMT-2017.05.31-09.20.04
[2017-05-31 09:22:02.444038] I [MSGID: 106144] [glusterd-pmap.c:377:pmap_registry_remove] 0-pmap: removing brick /run/gluster/snaps/4f980da64dec424ba0b48d6d36c4c54e/brick1/b on port 49157



Can anyone help ?

Thanks


Gary Lloyd
________________________________________________
I.T. Systems:Keele University
Finance & IT Directorate
Keele:Staffs:IC1 Building:ST5 5NB:UK
________________________________________________


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