On Tue, 01/26 17:57, John Snow wrote: > Can we implement a function that, in the event of a disaster, compares > the current state of the drive with the last known good incremental and > populates a bitmap based on the difference? > > Actually, we probably really want this feature around regardless. It'll > allow us to start incremental backup chains from full backups made > before we even knew we wanted to start making them. > > Something like: > > block-dirty-bitmap-diff node=drive0 name=bitmap0 target=/path/to/file > > I like this idea, I think I'll prototype just this little piece, since > it's useful even without postcopy bitmap migration.
Good idea! It looks like another type of block job. Fam
