Regards,

Callum

--

Callum Smith

Research Computing Core

Wellcome Trust Centre for Human Genetics
University of Oxford
e. callum@well.ox.ac.uk

On 11 Apr 2019, at 09:57, Callum Smith <callum@well.ox.ac.uk> wrote:

Dear Benny,

It would seem that even cloning a VM is failing, creating a VM works on the same storage. This is the only error i could find:

ERROR Internal server error

Traceback (most recent call last):

File "/usr/lib/python2.7/site-packages/yajsonrpc/__init__.py", line 345, in _handle_request

res = method(**params)

File "/usr/lib/python2.7/site-packages/vdsm/rpc/Bridge.py", line 194, in _dynamicMethod

result = fn(*methodArgs)

File "<string>", line 2, in getAllVmStats

File "/usr/lib/python2.7/site-packages/vdsm/common/api.py", line 50, in method

ret = func(*args, **kwargs)

File "/usr/lib/python2.7/site-packages/vdsm/API.py", line 1388, in getAllVmStats

statsList = self._cif.getAllVmStats()

File "/usr/lib/python2.7/site-packages/vdsm/clientIF.py", line 567, in getAllVmStats

return [v.getStats() for v in self.vmContainer.values()]

File "/usr/lib/python2.7/site-packages/vdsm/virt/vm.py", line 1766, in getStats

oga_stats = self._getGuestStats()

File "/usr/lib/python2.7/site-packages/vdsm/virt/vm.py", line 1967, in _getGuestStats

stats = self.guestAgent.getGuestInfo()

File "/usr/lib/python2.7/site-packages/vdsm/virt/guestagent.py", line 505, in getGuestInfo

del qga['appsList']

KeyError: 'appsList'

It's the qemu-img convert for sure that's just failing to do anything, this is the command from the clone:

/usr/bin/qemu-img convert -p -t none -T none -f raw /rhev/data-center/mnt/10.141.15.248:_export_instruct_vm__storage/0e01f014-530b-4067-aa1d-4e9378626a9d/images/6597eede-9fa0-4451-84fc-9f9c070cb5f3/765fa48b-2e77-4637-b4ca-e1affcd71e48 -O raw /rhev/data-center/mnt/10.141.15.248:_export_instruct_vm__storage/0e01f014-530b-4067-aa1d-4e9378626a9d/images/f0700631-e60b-4c2a-a6f5-a6c818ae7651/d4fb05ec-7c78-4d89-9a66-614c093c6e16

gdb has a blank output for this though. This means 4.3.2 is fairly unusable for us, so two questions, can I downgrade to 4.2, and is there a fix coming in 4.3.3 for this?

Regards,

Callum

--

Callum Smith

Research Computing Core

Wellcome Trust Centre for Human Genetics
University of Oxford
e. callum@well.ox.ac.uk

On 10 Apr 2019, at 11:22, Callum Smith <callum@well.ox.ac.uk> wrote:

Creating a disk on the target share works fine. - This seems to specifically be an issue to do with moving a disk to/from a share.

Regards,

Callum

--

Callum Smith

Research Computing Core

Wellcome Trust Centre for Human Genetics
University of Oxford
e. callum@well.ox.ac.uk

On 10 Apr 2019, at 09:53, Callum Smith <callum@well.ox.ac.uk> wrote:

gdb -p $(pidof qemu-img convert) -batch -ex "t a a bt"

289444: No such file or directory.

Regards,

Callum

--

Callum Smith

Research Computing Core

Wellcome Trust Centre for Human Genetics
University of Oxford
e. callum@well.ox.ac.uk

On 10 Apr 2019, at 09:36, Benny Zlotnik <bzlotnik@redhat.com> wrote:

Can you run:
$ gdb -p $(pidof qemu-img convert) -batch -ex "t a a bt"

On Wed, Apr 10, 2019 at 11:26 AM Callum Smith <callum@well.ox.ac.uk> wrote:

Dear All,

Further to this, I can't migrate a disk to different storage using the GUI. Both disks are configured identically and on the same physical NFS provider.

Regards,
Callum

--

Callum Smith
Research Computing Core
Wellcome Trust Centre for Human Genetics
University of Oxford
e. callum@well.ox.ac.uk

On 9 Apr 2019, at 12:12, Callum Smith <callum@well.ox.ac.uk> wrote:

Dear All,

It would seem this is a bug in 4.3.? - As upgrading the old oVirt HE to 4.3 (from 4.2.latest) now means that the export of VMs to export domain no longer works.

Again qemu-img convert is using some cpu, but no network. Progress is 0.

Regards,
Callum

--

Callum Smith
Research Computing Core
Wellcome Trust Centre for Human Genetics
University of Oxford
e. callum@well.ox.ac.uk

On 8 Apr 2019, at 15:42, Callum Smith <callum@well.ox.ac.uk> wrote:

Dear All,

We've exported some VMs from our old oVirt infrastructure and want to import them into the new one, but qemu-img appears to be failing. We have mounted an export domain populated from the old oVirt in the new hosted engine and are using the GUI to import the VM. Manually running the command sits at 16% CPU, 0% network usage and no progress. It appears to lock the NFS mount and ls and lsof both hang.

sudo -u vdsm /usr/bin/qemu-img convert -p -t none -T none -f raw <path to source> -O raw <path to dest>

Conversely a simple cp will work (ruling out file permissions errors):
sudo -u vddm cp <path to source> <path to test>

What might we be doing wrong?

Regards,
Callum

--

Callum Smith
Research Computing Core
Wellcome Trust Centre for Human Genetics
University of Oxford
e. callum@well.ox.ac.uk

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