Hi, I followed the instructions on the wiki https://wiki.libvirt.org/page/Live-disk-backup-with-active-blockcommit for a live disk backup. Unfortunately this is not working when the domain is offline because the active blockcommit throws error: Requested operation is not valid: domain is not running For my use case it should be possible for the domain to shut down while the backup is in progress. I'm looking for a way to shorten the backing chain after the backup finishes and the domain is offline. Is there a way to let libvirt decide wether to shorten the backing chain using blockcommit or some alternative way which works on offline domains? As I'm writing this I might as well ask about the current state of "incremental backups". It seems like dirty bitmaps can keep track of which blocks changed and just copy those to the backup. Is there some libvirt command-line frontend for that or is it planned for the future? Thanks. - Tim
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