Red Hat Bugzilla – Bug 1165704
[USS]:After deactivating a snapshot trying to access the remaining activated snapshots from NFS mount gives 'Invalid argument' error
Last modified: 2016-09-17 08:55:18 EDT
Description of problem: ======================= After deactivating a snapshot trying to access the remaining activated snapshots from NFS mount gives 'Invalid argument' error . Version-Release number of selected component (if applicable): ============================================================ glusterfs 3.6.0.33 How reproducible: ================= 3/3 Steps to Reproduce: ================== 1.Create a 2x2 dist-rep volume and start it 2.Fuse and NFS mount the volume and enable USS on the volume 3.Create IO on the volume and take few snapshots 4.Activate all the snapshots 5.cd to .snaps from fuse and nfs mount, all snapshots are listed 6.Deactivate one snapshot gluster snapshot deactivate vol0_snap1 Deactivating snap will make its data inaccessible. Do you want to continue? (y/n) y Snapshot deactivate: vol0_snap1: Snap deactivated successfully 7.cd to .snaps from nfs mount - it fails with Invalid argument error List of snapshots when the snapshots were activated: ==================================================== [root@dhcp-0-97 .snaps]# ll total 192 drwxr-xr-x. 13 root root 378 Nov 19 18:05 vol0_snap1 drwxr-xr-x. 31 root root 16384 Nov 19 18:10 vol0_snap10 drwxr-xr-x. 34 root root 16384 Nov 19 18:11 vol0_snap11 drwxr-xr-x. 34 root root 16384 Nov 19 18:11 vol0_snap12 drwxr-xr-x. 37 root root 16384 Nov 19 18:12 vol0_snap13 drwxr-xr-x. 39 root root 16384 Nov 19 18:13 vol0_snap14 drwxr-xr-x. 40 root root 16384 Nov 19 18:13 vol0_snap15 drwxr-xr-x. 42 root root 16384 Nov 19 18:14 vol0_snap16 drwxr-xr-x. 16 root root 480 Nov 19 18:06 vol0_snap2 drwxr-xr-x. 18 root root 514 Nov 19 18:06 vol0_snap3 drwxr-xr-x. 19 root root 582 Nov 19 18:07 vol0_snap4 drwxr-xr-x. 22 root root 16384 Nov 19 18:07 vol0_snap5 drwxr-xr-x. 24 root root 16384 Nov 19 18:08 vol0_snap6 drwxr-xr-x. 27 root root 16384 Nov 19 18:08 vol0_snap7 drwxr-xr-x. 28 root root 16384 Nov 19 18:09 vol0_snap8 drwxr-xr-x. 30 root root 16384 Nov 19 18:09 vol0_snap9 After deactivating one snapshot, ll on .snaps fails : ==================================================== [root@dhcp-0-97 .snaps]# ll ls: reading directory .: Invalid argument total 0 [root@dhcp-0-97 .snaps]# ll ls: cannot open directory .: Invalid argument [root@dhcp-0-97 .snaps]# ll ls: cannot open directory .: Invalid argument [root@dhcp-0-97 .snaps]# Actual results: =============== After deactivating a snapshot accessing the remaining activated snapshots from NFS mount gives 'Invalid argument' error Expected results: ================ Even after deactivating few snapshots, the remaining activated snapshots should be listed under .snaps Additional info:
Patch submitted: https://code.engineering.redhat.com/gerrit/37398
Version : glusterfs 3.6.0.37 ======== Repeated the steps as mentioned in Description and Comment3 , unable to reproduce the issue. Marking the bug as 'Verified'
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://rhn.redhat.com/errata/RHBA-2015-0038.html