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-aede-4743-b3fd-1c199880892f/images/eb3cb8f2-9544-472f-946b-646eab9c621f/ac065664-ad6c-4ad6-aea2-9558df71d41d"}},
"driver": "qcow2", "file": {"driver": "file", "filename":
"/rhev/data-center/mnt/nash-nfs7:_nfs_shubha__ovirt__2_data/8bce5be7-aede-4743-b3fd-1c199880892f/images/eb3cb8f2-9544-472f-946b-646eab9c621f/210900dd-ff19-4a00-8706-926cb192b0db"}},
"driver": "qcow2", "file": {"driver": "file", "filename":
"/rhev/data-center/mnt/nash-nfs7:_nfs_shubha__ovirt__2_data/8bce5be7-aede-4743-b3fd-1c199880892f/images/eb3cb8f2-9544-472f-946b-646eab9c621f/273fc001-1c18-4234-b2b6-f0485e5d13ef"}},
"driver": "qcow2", "file": {"driver": "file", "filename":
"/rhev/data-center/mnt/nash-nfs7:_nfs_shubha__ovirt__2_data/8bce5be7-aede-4743-b3fd-1c199880892f/images/eb3cb8f2-9544-472f-946b-646eab9c621f/e1e10354-ae43-456f-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 and whether it was merged in oVirt. Where can I find the
relevant commit (in vdsm and/or libvirt)?
Thanks
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