8:28 p.m.
Can you remove the snapshot now?
On Tue, Feb 26, 2019 at 7:06 PM Alan G <alan+ovirt(a)griff.me.uk> wrote:
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
<bzlotnik(a)redhat.com <bzlotnik(a)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 <alan+ovirt(a)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 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
> <bzlotnik(a)redhat.com <bzlotnik(a)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 <alan+ovirt(a)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
>> <bzlotnik(a)redhat.com <bzlotnik(a)redhat.com>>* wrote ----
>>
>> Can you provide full vdsm & engine logs?
>>
>> On Tue, Feb 26, 2019 at 5:10 PM Alan G <alan+ovirt(a)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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>>> Privacy Statement: https://www.ovirt.org/site/privacy-policy/
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>>>
>>
>>
>