Am 10.06.13 09:07, schrieb Kashyap Chamarthy:
On 06/09/2013 02:46 PM, Thomas Stein wrote:
Hello.
I just tried the following:
virsh dumpxml --security-info gentoo-template > gentoo-template.xml virsh snapshot-create gentoo-template virsh undefine gentoo-template
Wait - is that really the command you used after "snapshot-create" ?
Because: You cannot undefine a guest with a snapshot without first deleting its metadata
To cleanly delete, maybe you should've done:
$ virsh snapshot-delete --domain gentoo-template SNAPSHOTID --metadata
Did that. But that deletes that snapshot too, no?
virsh blockcopy gentoo-template vda /opt/virt-backup-blockcopy/gentoo-template/gentoo-template.qcow2 --wait --verbose --finish virsh define gentoo-template.xml
Can you also paste the output of:
$ qemu-img info --backing-chain \ /opt/virt-backup-blockcopy/gentoo-template/gentoo-template.qcow2
hn ~ # qemu-img info --backing-chain /opt/virt-backup-blockcopy/gentoo-template/gentoo-template.qcow2 image: /opt/virt-backup-blockcopy/gentoo-template/gentoo-template.qcow2 file format: qcow2 virtual size: 130G (139586437120 bytes) disk size: 30G cluster_size: 65536 Just to make myself clear. I want to backup the qcow image /with/ the internal snapshot. Is that even possible with blockcopy? thanks and best regards.
virsh snapshot-delete gentoo-template --current
But if i restore the /opt/virt-backup-blockcopy/gentoo-template/gentoo-template.qcow2 the snapshot is gone.
Someone has an idea what i'm missing? I suppose i'm just missunderstandig the snapshot mechanism.
Here's how I used blockcopy (few months ago, slightly outdated) -- http://kashyapc.fedorapeople.org/virt/lc-2012/live-backup-with-blockcopy.txt
thanks an best regards t.
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