Hi,

With last OLVM update installed, we are unable to delete snapshot without stopping the vm (live merge error)

Vdsm.log:

2021-05-04 09:44:28,389+0200 ERROR (jsonrpc/6) [virt.vm] (vmId='dba27e34-f8f3-4d9b-a6fd-95ba92c2970e') Live merge failed (job: 36f515b5-fb9e-4e29-b5f8-5b7c062cef5d) (vm:5957)

Traceback (most recent call last):

  File "/usr/lib/python2.7/site-packages/vdsm/virt/vm.py", line 5955, 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: child reported (status=125): Requested operation is not valid: Setting different SELinux label on /rhev/data-center/mnt/blockSD/47c2336e-1936-4b28-b759-efcfe8a19b58/images/269f76c4-2a63-4cdf-a2da-0f56f4acc464/c317c53b-ad79-421f-9263-f1f19c81a9a7 which is already in use

2021-05-04 09:44:28,412+0200 INFO  (jsonrpc/6) [api.virt] FINISH merge return={'status': {'message': 'Merge failed', 'code': 52}} from=::ffff:192.168.1.110,38834, flow_id=390f0b25-f364-4adc-b7b3-b732ee0e0213, vmId=dba27e34-f8f3-4d9b-a6fd-95ba92c2970e (api:54)

2021-05-04 09:44:28,413+0200 INFO  (jsonrpc/6) [jsonrpc.JsonRpcServer] RPC call VM.merge failed (error 52) in 0.58 seconds (__init__:312)

2021-05-04 09:44:29,124+0200 INFO  (jsonrpc/3) [api.host] START getAllVmStats() from=::ffff:192.168.1.110,38834 (api:48)

Any idea whats wrong ?

Rgds