Hello,
I am working on a script to automatically create live snapshots of running VMs
using qemu-kvm 1.4.0 and libvirt 1.0.2. If a VM has multiple disks, I'd like to
back them up individually with separate calls to snapshot-create-as, so I can
more easily manage the disk images. The code I have now is essentially as
follows:
virsh snapshot-create-as --domain "vmname" --name "snapshotname" --description
"snapshot description" --disk-only --atomic --no-metadata --diskspec "vda"
I run this command for each block device (e.g vda, vdb, etc). However, after
running the above command (to only backup vda), I see that a snapshot has also
been created for vdb. I tried running it with --print-xml, which gives this
output:
<domainsnapshot>
<name>05-22-14_17-09-25</name>
<description>05-22-14_17-09-25</description>
<disks>
<disk name='vda'/>
</disks>
</domainsnapshot>
What am I doing wrong - how can I tell snapshot-create-as to create an external
snapshot for a specific block device only (not all block devices)?
Also, while looking at the manpage, does the --live option do anything
different if used with the above command?
Thanks,
Andrew Martin
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