[ovirt-devel] Failed Snapshot as 'Current' after failed Live Storage Migration

[Christopher Pereira]

Hi,

A live storage migration task failed due to a network error:

    2015-08-03 21:23:16,437 WARN
    [org.ovirt.engine.core.bll.CreateAllSnapshotsFromVmCommand]
    (org.ovirt.thread.pool-12-thread-45) [] Could not perform live
    snapshot due to error, VM will still be configured to the new
    created snapshot: VdcBLLException:
    org.ovirt.engine.core.vdsbroker.vdsbroker.VDSNetworkException:
    VDSGenericException: VDSNetworkException: Message timeout which can
    be caused by communication issues (Failed with error
    VDS_NETWORK_ERROR and code 5022)
    2015-08-03 21:23:16,450 WARN
    [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector]
    (org.ovirt.thread.pool-12-thread-45) [] Correlation ID: null, Call
    Stack: org.ovirt.engine.core.common.errors.VdcBLLException:
    VdcBLLException:
    org.ovirt.engine.core.vdsbroker.vdsbroker.VDSNetworkException:
    VDSGenericException: VDSNetworkException: Message timeout which can
    be caused by communication issues (Failed with error
    VDS_NETWORK_ERROR and code 5022)
             at
    org.ovirt.engine.core.bll.VdsHandler.handleVdsResult(VdsHandler.java:117)
             at
    org.ovirt.engine.core.bll.VDSBrokerFrontendImpl.RunVdsCommand(VDSBrokerFrontendImpl.java:33)
             at
    org.ovirt.engine.core.bll.CommandBase.runVdsCommand(CommandBase.java:2029)
             at
    org.ovirt.engine.core.bll.CreateAllSnapshotsFromVmCommand$2.runInTransaction(CreateAllSnapshotsFromVmCommand.java:400)
             ...

As a consequence, Engine is showing a failed snapshot as "Current", 
while libvirt is still reporting the previous correct snapshot.
I guess next time Engine will probably try to resume the failed snapshot 
and VM won't start anymore.
What is the correct way to solve this issue?

BZ:
https://bugzilla.redhat.com/show_bug.cgi?id=1018867
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