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Bug 693283 - [vdsm] [Snapshot] Merge snapshots fails on nfs storage domain
Summary: [vdsm] [Snapshot] Merge snapshots fails on nfs storage domain
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: vdsm
Version: 6.1
Hardware: x86_64
OS: Linux
unspecified
medium
Target Milestone: rc
: ---
Assignee: Igor Lvovsky
QA Contact: David Naori
URL:
Whiteboard: storage
Depends On: 693741
Blocks:
TreeView+ depends on / blocked
 
Reported: 2011-04-04 07:22 UTC by David Naori
Modified: 2013-03-01 04:53 UTC (History)
9 users (show)

Fixed In Version: vdsm-4.9-59.el6
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2011-12-06 07:11:55 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)
full vdsm log (234.24 KB, application/x-gzip)
2011-04-04 07:22 UTC, David Naori 		no flags Details
View All


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHEA-2011:1782 0 normal SHIPPED_LIVE new packages: vdsm 2011-12-06 11:55:51 UTC

Description David Naori 2011-04-04 07:22:24 UTC 
Created attachment 489708 [details]
full vdsm log

Description of problem:
Merge snapshot fails on NFS with the following ERROR:

58a5bccb-7dca-4ddb-95b9-c54c4f674470::ERROR::2011-04-04 10:15:15,268::image::1104::Storage.Image::(merge) Unexpected error
Traceback (most recent call last):
  File "/usr/share/vdsm/storage/image.py", line 1076, in merge
    chain = self._internalVolumeMerge(sdUUID, srcVolParams, volParams, newSize, chain)
  File "/usr/share/vdsm/storage/image.py", line 906, in _internalVolumeMerge
    srcVol.rebase(volParams['volUUID'], backingVolPath, volParams['volFormat'], unsafe=False, rollback=True)
  File "/usr/share/vdsm/storage/volume.py", line 163, in rebase
    raise se.MergeSnapshotsError(self.volUUID)
MergeSnapshotsError: Error merging snapshots: ('b9204b3f-b1c1-4f14-a93b-62693f16c6aa',)

58a5bccb-7dca-4ddb-95b9-c54c4f674470::ERROR::2011-04-04 10:15:15,275::task::854::TaskManager.Task::(_setError) Unexpected error
Traceback (most recent call last):
  File "/usr/share/vdsm/storage/task.py", line 862, in _run
    return fn(*args, **kargs)
  File "/usr/share/vdsm/storage/task.py", line 299, in run
    return self.cmd(*self.argslist, **self.argsdict)
  File "/usr/share/vdsm/storage/spm.py", line 114, in run
    return self.func(*args, **kwargs)
  File "/usr/share/vdsm/storage/spm.py", line 907, in mergeSnapshots
    image.Image(repoPath).merge(sdUUID, vmUUID, imgUUID, ancestor, successor, postZero)
  File "/usr/share/vdsm/storage/image.py", line 1076, in merge
    chain = self._internalVolumeMerge(sdUUID, srcVolParams, volParams, newSize, chain)
  File "/usr/share/vdsm/storage/image.py", line 906, in _internalVolumeMerge
    srcVol.rebase(volParams['volUUID'], backingVolPath, volParams['volFormat'], unsafe=False, rollback=True)
  File "/usr/share/vdsm/storage/volume.py", line 163, in rebase
    raise se.MergeSnapshotsError(self.volUUID)
MergeSnapshotsError: Error merging snapshots: ('b9204b3f-b1c1-4f14-a93b-62693f16c6aa',)


Version-Release number of selected component (if applicable):
vdsm-4.9-57.el6.x86_64

full vdsm log attached
Comment 1 RHEL Program Management 2011-04-04 07:33:15 UTC 
Since RHEL 6.1 External Beta has begun, and this bug remains
unresolved, it has been rejected as it is not proposed as
exception or blocker.

Red Hat invites you to ask your support representative to
propose this request, if appropriate and relevant, in the
next release of Red Hat Enterprise Linux.
Comment 2 Igor Lvovsky 2011-04-05 13:41:50 UTC 
Actually, it's regression bug of qemu-img (bug 693741)
Comment 4 Igor Lvovsky 2011-04-13 07:42:15 UTC 
Should be solved in qemu-img-0.12.1.2-2.157.el6.x86_64.rpm
Comment 5 Tomas Dosek 2011-04-21 07:02:54 UTC 
Verified:
 vdsm-4.9-59.el6
 qemu-kvm-0.12.1.2-2.157.el6

Merge snapshots now doesn't fail on NFS storage.
Comment 6 errata-xmlrpc 2011-12-06 07:11:55 UTC 
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.

http://rhn.redhat.com/errata/RHEA-2011-1782.html
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