[Bugs] [Bug 1785225] New: [snapshot] failed with "Snapshot command failed" error

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1785225

            Bug ID: 1785225
           Summary: [snapshot] failed with "Snapshot command failed" error
           Product: GlusterFS
           Version: 4.1
          Hardware: x86_64
                OS: Linux
            Status: NEW
         Component: glusterd
          Severity: high
          Assignee: bugs at gluster.org
          Reporter: haoqing at cn.ibm.com
                CC: bugs at gluster.org
  Target Milestone: ---
    Classification: Community



Description of problem:
I have a 3 node glusterfs cluster, with version 4.1.5, the daemon is running
inside container. When try to do snapshot, failed with Snapshot command failed
error. No idea how to debug. Plz help, thanks!

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1.
sh-4.2# gluster volume status
Status of volume:
xxx_kube-system_glusterpvc_a2e0e477-216d-11ea-9927-0016ac101cd2
Gluster process                             TCP Port  RDMA Port  Online  Pid
------------------------------------------------------------------------------
Brick 172.16.28.211:/var/lib/heketi/mounts/
vg_56a228b70115bf46499a5075b0304a59/brick_4
cf7c1c0b1a469130163d635fe98b48a/brick       49152     0          Y       13558

Task Status of Volume
xxx_kube-system_glusterpvc_a2e0e477-216d-11ea-9927-0016ac101cd2
------------------------------------------------------------------------------
There are no active volume tasks

2. 
sh-4.2# gluster volume list
xxx_kube-system_glusterpvc_a2e0e477-216d-11ea-9927-0016ac101cd2

3.
sh-4.2# gluster  snapshot create snap1
xxx_kube-system_glusterpvc_a2e0e477-216d-11ea-9927-0016ac101cd2
snapshot create: failed: Commit failed on localhost. Please check log file for
details.
Snapshot command failed

4.
check the glusterd.log, showing below error, but no idea about the root cause

[2019-12-17 01:33:26.497606] W [MSGID: 106122]
[glusterd-mgmt.c:299:gd_mgmt_v3_commit_fn] 0-management: Snapshot Commit Failed
[2019-12-17 01:33:26.497628] E [MSGID: 106122]
[glusterd-mgmt.c:1637:glusterd_mgmt_v3_commit] 0-management: Commit failed for
operation Snapshot on local node
[2019-12-17 01:33:26.497648] E [MSGID: 106122]
[glusterd-mgmt.c:2539:glusterd_mgmt_v3_initiate_snap_phases] 0-management:
Commit Op Failed
The message "W [MSGID: 101095] [xlator.c:181:xlator_volopt_dynload] 0-xlator:
/usr/lib64/glusterfs/4.1.5/xlator/nfs/server.so: cannot open shared object
file: No such file or directory" repeated 3 times between [2019-12-17
01:33:26.334197] and [2019-12-17 01:33:26.498294]
[2019-12-17 01:33:26.553252] E [MSGID: 106061]
[glusterd-snapshot.c:6413:glusterd_do_snap_cleanup] 0-glusterd: Unable to get
volume name
[2019-12-17 01:33:26.553309] W [MSGID: 106039]
[glusterd-snapshot.c:8263:glusterd_snapshot_create_postvalidate] 0-management:
cleanup operation failed
[2019-12-17 01:33:26.553324] W [MSGID: 106029]
[glusterd-snapshot.c:9246:glusterd_snapshot_postvalidate] 0-management:
Snapshot create post-validation failed
[2019-12-17 01:33:26.553338] W [MSGID: 106120]
[glusterd-mgmt.c:469:gd_mgmt_v3_post_validate_fn] 0-management: postvalidate
operation failed
[2019-12-17 01:33:26.553359] E [MSGID: 106120]
[glusterd-mgmt.c:1893:glusterd_mgmt_v3_post_validate] 0-management: Post
Validation failed for operation Snapshot on local node
[2019-12-17 01:33:26.553375] E [MSGID: 106121]
[glusterd-mgmt.c:2598:glusterd_mgmt_v3_initiate_snap_phases] 0-management: Post
Validation Failed


Could you help on this?

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