On 05/20/14 16:28, Eric Blake wrote: > On 05/20/2014 07:36 AM, Peter Krempa wrote: >> When doing an external checkpoint of a VM with no disk selected we'd >> return failure but not set error code. This was a result of ret not >> being set to 0 during walking of the disk array. >> >> Rework early failure checking to avoid the problem. >> >> Fixes the following symptom (or without --diskspec for diskless VMs) >> >> $ virsh snapshot-create-as snapshot-test --memspec /tmp/asdf --diskspec hda,snapshot=no >> error: An error occurred, but the cause is unknown >> --- > > Technically, this is equivalent to a 'virsh save'. Would it be better > to avoid an error altogether and allow the operation as a longhand > spelling of the same action? > virsh save kills the VM after it finishes. This allows to preserve the VM running and also allows snapshots of diskless VMs. Peter
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