Am Samstag, 18. April 2015, 01:03:23 schrieb Christoph Anton Mitterer: > On Thu, 2015-04-09 at 16:33 +0000, Hugo Mills wrote: > > btrfs sub find-new might be more helpful to you here. That will > > > > give you the list of changed files; then just feed that list to your > > existing bin-packing algorithm for working out what goes on which > > disks, and you're done. > > hmm that sounds interesting, but > a) it lacks much documentation (how does that with the generations work? > when is there a new generation? what, if the generation overflows?)
I have no idea about when there is a new generation. I think it depends on
the commit intervall.
You can see the current generation with:
merkaba:~> btrfs subvol show / | grep Generation
Generation (Gen): 468143
> b) it seems to only show me new files, but not files that have been moved,
> or removed, or when properties have changed.
It should show renamed or moved files. But yeah, if it does, at least not
in a way that shows that a rename or move operation took place.
> c) it seems to work only for one subvolume?
Its per subvolume, I think. Thats why it is under "btrfs subvolume"
Ciao,
--
Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
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