-----Original Message-----
From: Vojtech Juranek <[email protected]>
Sent: Tuesday, March 23, 2021 3:34 AM
To: [email protected]
Subject: [External] : [ovirt-devel] Re: Snapshot Deletion Issue
On Tuesday, 23 March 2021 04:25:25 CET Shubha Kulkarni wrote:
> Hello,
>
> I am investigating an issue with deleting snapshot in oVirt 4.3.10.
> Basically the delete snapshot operation fails and I am seeing
> following error in VDSM(vdsm-4.30.46) log -
>
> ======================================================================
> ======
> =================================================================
> 2021-03-17
> 21:38:01,346-0400 INFO (jsonrpc/1) [virt.vm]
> (vmId='4b04639c-386e-463c-8a8a-dfd3bc46d306') Starting merge with
> jobUUID=u'e6206d9f-6899-40b7-857a-3be3dd42d77d', original
> chain=ac065664-ad6c-4ad6-aea2-9558df71d41d <
> 210900dd-ff19-4a00-8706-926cb192b0db <
> 273fc001-1c18-4234-b2b6-f0485e5d13ef
> < e1e10354-ae43-456f-9341-1bb81c5bf960 <
> 7985a853-4d47-428b-bb5b-b34a38cc57e0 (top), disk='sda', base='sda[2]',
> top='sda[1]', bandwidth=0, flags=8 (vm:5954) 2021-03-17
> 21:38:01,354-0400 ERROR (jsonrpc/1) [virt.vm]
> (vmId='4b04639c-386e-463c-8a8a-dfd3bc46d306')
> Live merge failed (job: e6206d9f-6899-40b7-857a-3be3dd42d77d)
> (vm:5960) Traceback (most recent call last):
> File "/usr/lib/python2.7/site-packages/vdsm/virt/vm.py", line 5958,
> in merge bandwidth, flags)
> File "/usr/lib/python2.7/site-packages/vdsm/virt/virdomain.py", line
> 100, in f ret = attr(*args, **kwargs)
> File
> "/usr/lib/python2.7/site-packages/vdsm/common/libvirtconnection.py",
> line 131, in wrapper ret = f(*args, **kwargs)
> File "/usr/lib/python2.7/site-packages/vdsm/common/function.py",
> line 94, in wrapper return func(inst, *args, **kwargs)
> File "/usr/lib64/python2.7/site-packages/libvirt.py", line 719, in
> blockCommit if ret == -1: raise libvirtError ('virDomainBlockCommit()
> failed', dom=self) libvirtError: internal error: qemu block name
> 'json:{"backing": {"backing": {"backing": {"driver": "raw", "file":
> {"driver": "file", "filename":
> "/rhev/data-center/mnt/nash-nfs7:_nfs_shubha__ovirt__2_data/8bce5be7-a
> ede-4
> 743-b3fd-1c199880892f/images/eb3cb8f2-9544-472f-946b-646eab9c621f/ac06
> 5664-a d6c-4ad6-aea2-9558df71d41d"}}, "driver": "qcow2", "file":
> {"driver": "file",
> "filename":
> "/rhev/data-center/mnt/nash-nfs7:_nfs_shubha__ovirt__2_data/8bce5be7-a
> ede-4
> 743-b3fd-1c199880892f/images/eb3cb8f2-9544-472f-946b-646eab9c621f/2109
> 00dd-f f19-4a00-8706-926cb192b0db"}}, "driver": "qcow2", "file":
> {"driver": "file",
> "filename":
> "/rhev/data-center/mnt/nash-nfs7:_nfs_shubha__ovirt__2_data/8bce5be7-a
> ede-4
> 743-b3fd-1c199880892f/images/eb3cb8f2-9544-472f-946b-646eab9c621f/273f
> c001-1 c18-4234-b2b6-f0485e5d13ef"}}, "driver": "qcow2", "file":
> {"driver": "file",
> "filename":
> "/rhev/data-center/mnt/nash-nfs7:_nfs_shubha__ovirt__2_data/8bce5be7-a
> ede-4
> 743-b3fd-1c199880892f/images/eb3cb8f2-9544-472f-946b-646eab9c621f/e1e1
> 0354-a e43-456f-9341-1bb81c5bf960"}}' doesn 2021-03-17
> 21:38:01,368-0400 INFO
> (jsonrpc/1) [api.virt] FINISH merge return={'status': {'message':
> 'Merge failed', 'code': 52}}
> ======================================================================
> =====
> =================================================================
>
> I found out that there is an issue logged here
> https://bugzilla.redhat.com/show_bug.cgi?id=1785939. However I am not
> able to see how it was fixed
see https://bugzilla.redhat.com/show_bug.cgi?id=1785939#c10
=> Thanks for the quick response! It will be great if you can please point me
to the libvirt/qemu bug id/commits for this issue?
> and whether it was merged in oVirt. Where can I find the relevant
> commit (in vdsm and/or libvirt)?
>
> Thanks
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