3:45 a.m.
Still cannot remove snapshot.
2019-02-27 08:56:58,781+0000 ERROR (tasks/6) [storage.TaskManager.Task]
(Task='72570267-d86a-4a14-a8bb-fc925a717753') Unexpected error (task:872)
Traceback (most recent call last):
File "/usr/share/vdsm/storage/task.py", line 879, in _run
return fn(*args, **kargs)
File "/usr/share/vdsm/storage/task.py", line 333, in run
return self.cmd(*self.argslist, **self.argsdict)
File "/usr/lib/python2.7/site-packages/vdsm/storage/securable.py", line 79, in
wrapper
return method(self, *args, **kwargs)
File "/usr/share/vdsm/storage/sp.py", line 1884, in prepareMerge
merge.prepare(subchainInfo)
File "/usr/share/vdsm/storage/merge.py", line 181, in prepare
with subchain.prepare():
File "/usr/lib64/python2.7/contextlib.py", line 17, in __enter__
return self.gen.next()
File "/usr/share/vdsm/storage/merge.py", line 160, in prepare
vol.prepare(rw=rw, justme=True)
File "/usr/share/vdsm/storage/volume.py", line 562, in prepare
raise se.prepareIllegalVolumeError(self.volUUID)
prepareIllegalVolumeError: Cannot prepare illegal volume:
('5f5b436d-6c48-4b9f-a68c-f67d666741ab',)
---- On Tue, 26 Feb 2019 18:28:02 +0000 Benny Zlotnik <bzlotnik(a)redhat.com> wrote
----
Can you remove the snapshot now?
On Tue, Feb 26, 2019 at 7:06 PM Alan G <mailto:alan%2Bovirt@griff.me.uk> wrote:
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That cleaned up the qcow image and qemu-img now reports it's ok, but I still cannot
start the VM, get "Cannot prepare illegal volume".
Is there some metadata somewhere that needs to be cleaned/reset?
---- On Tue, 26 Feb 2019 16:25:22 +0000 Benny Zlotnik <mailto:bzlotnik@redhat.com>
wrote ----
it's because the VM is down, you can manually activate using
$ lvchange -a y vgname/lvname
remember to deactivate after
On Tue, Feb 26, 2019 at 6:15 PM Alan G <mailto:alan%2Bovirt@griff.me.uk> wrote:
I tried that initially but I'm not sure how to access the image on block storage? The
lv is marked as NOT available in lvdisplay.
--- Logical volume ---
LV Path
/dev/70205101-c6b1-4034-a9a2-e559897273bc/74d27dd2-3887-4833-9ce3-5925dbd551cc
LV Name 74d27dd2-3887-4833-9ce3-5925dbd551cc
VG Name 70205101-c6b1-4034-a9a2-e559897273bc
LV UUID svAB48-Rgnd-0V2A-2O07-Z2Ic-4zfO-XyJiFo
LV Write Access read/write
LV Creation host, time http://nyc-ovirt-01.redacted.com, 2018-05-15 12:02:41 +0000
LV Status NOT available
LV Size 14.00 GiB
Current LE 112
Segments 9
Allocation inherit
Read ahead sectors auto
---- On Tue, 26 Feb 2019 15:57:47 +0000 Benny Zlotnik <mailto:bzlotnik@redhat.com>
wrote ----
I haven't found anything other the leaks issue, you can try to run
$ qemu-img check -r leaks <img>
(make sure to have it backed up)
On Tue, Feb 26, 2019 at 5:40 PM Alan G <mailto:alan%2Bovirt@griff.me.uk> wrote:
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Logs are attached. The first error from snapshot deletion is at 2019-02-26 13:27:11,877Z
in the engine log.
---- On Tue, 26 Feb 2019 15:11:39 +0000 Benny Zlotnik <mailto:bzlotnik@redhat.com>
wrote ----
Can you provide full vdsm & engine logs?
On Tue, Feb 26, 2019 at 5:10 PM Alan G <mailto:alan%2Bovirt@griff.me.uk> wrote:
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Hi,
I performed the following: -
1. Shutdown VM.
2. Take a snapshot
3. Create a clone from snapshot.
4. Start the clone. Clone starts fine.
5. Attempt to delete snapshot from original VM, fails.
6. Attempt to start original VM, fails with "Bad volume specification".
This was logged in VDSM during the snapshot deletion attempt.
2019-02-26 13:27:10,907+0000 ERROR (tasks/3) [storage.TaskManager.Task]
(Task='67577e64-f29d-4c47-a38f-e54b905cae03') Unexpected error (task:872)
Traceback (most recent call last):
File "/usr/share/vdsm/storage/task.py", line 879, in _run
return fn(*args, **kargs)
File "/usr/share/vdsm/storage/task.py", line 333, in run
return self.cmd(*self.argslist, **self.argsdict)
File "/usr/lib/python2.7/site-packages/vdsm/storage/securable.py", line 79, in
wrapper
return method(self, *args, **kwargs)
File "/usr/share/vdsm/storage/sp.py", line 1892, in finalizeMerge
merge.finalize(subchainInfo)
File "/usr/share/vdsm/storage/merge.py", line 271, in finalize
optimal_size = subchain.base_vol.optimal_size()
File "/usr/share/vdsm/storage/blockVolume.py", line 440, in optimal_size
check = qemuimg.check(self.getVolumePath(), qemuimg.FORMAT.QCOW2)
File "/usr/lib/python2.7/site-packages/vdsm/qemuimg.py", line 157, in check
out = _run_cmd(cmd)
File "/usr/lib/python2.7/site-packages/vdsm/qemuimg.py", line 426, in
_run_cmd
raise QImgError(cmd, rc, out, err)
QImgError: cmd=['/usr/bin/qemu-img', 'check', '--output',
'json', '-f', 'qcow2',
'/rhev/data-center/mnt/blockSD/024109d5-ea84-47ed-87e5-1c8681fdd177/images/f7dea7bd-04
6c-4923-b5a5-d0c1201607fc/ac540314-989d-42c2-9e7e-3907eedbe27f'], ecode=3, stdout={
"image-end-offset": 52210892800,
"total-clusters": 1638400,
"check-errors": 0,
"leaks": 323,
"leaks-fixed": 0,
"allocated-clusters": 795890,
"filename":
"/rhev/data-center/mnt/blockSD/024109d5-ea84-47ed-87e5-1c8681fdd177/images/f7dea7bd-046c-4923-b5a5-d0c1201607fc/ac540314-989d-42c2-9e7e-3907eedbe27f",
"format": "qcow2",
"fragmented-clusters": 692941
}
, stderr=Leaked cluster 81919 refcount=1 reference=0
Leaked cluster 81920 refcount=1 reference=0
Leaked cluster 81921 refcount=1 reference=0
etc..
Is there any way to fix these leaked clusters?
Running oVirt 4.1.9 with FC block storage.
Thanks,
Alan
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