Hello.
I use ZFS-based NFS storage for xen.
I am trying to get safe backup throuhg Xen API with following algorithm:
Before create ZFS snapshot I create XEN VM snapshot, export VM metadata
and do ZFS snapshot.
After this I delete snapshot and its VDI.
But when I try to revert VM, I have strange behavior of VM.revert operation.
I rollback my ZFS storage, unregister VM, import VM metadata, rescan SR
and try to call VM.revert function. Its return VM_REVERT_FAILED message.
*The strangeness of the fact that when I ignore VM_REVERT_FAILED
exception and try to repeat VM.revert call - it works fine.*
I mean that second call of VM.revert works without error (There is no
pause between them).
Any idea? What can I do to get more information about reason of this error?
--
Many thanks in advance.
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