Dear all, Please let me start by indicating that I am not from a technical background, so please be gentle and patient with me.
I am trying to get a snapshot from my virtual machines (vm) and the following command works for all of them bar one: # virsh snapshot-create-as --quiesce --no-metadata --domain myvm myvm-state --diskspec vda,file=overlay.qcow2 --disk-only --atomic The only exception is this one vm, which has two disks as two separete qcow2 files: vda and vdb. Vdb contains my nexcloud data, resides on a btrfs subvolume, and a daily snapshot of this subvolume is taken by a cronjob by the host machine. Therefore, I do not want to include it in the snapshot taken by virsh, and therefore I did not include vdb as a separate --diskspec item, and used the same command indicated above. However, this fails with the following behavior: a state (or rather overlay file with a qcow2 extension is created on the host machine's directory where the image of vdb exists. My question is the following: Is there a way to direct virsh for only taking a snapshot ignoring one of the disks? Yes, I can always create that second snapshot/overlay image of vdb and delete it later, but it doesn't feel very intuitive, and efficient. However, it is quite possible that I may be completely overseeing an important aspect of the process, and this may not be possible due to that :). Thanks for your inputs in advance. Hakan Duran
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