On Fri, Dec 19, 2014 at 09:57:38AM +0100, Stevie Trujillo wrote:
> Is xfsdump an ancient relic or something recommended to new users (I
> have never seen anyone recommending it)? I gave it a try and found the
> incremental backups to be really fast!
Still supported, still works, still used in production by lots of
> How are incremental backups implemented? I saw that my inventory file
> is really small. Does it use some internal xfs metadata to detect
> changes? Is it resilient against all kinda renames and changing
> timestamps etc that a user might do? (I've previously used a backup
> system that broke when doing stuff like that)
It should detect renames and changing timestamps, etc. without any
> Is it possible to backup (and restore) ctimes?
> I read that the incremental backups are limited to a depth of 10. Are
> they intended to be used in a binary tree like fashion?
In theory. Not sure anyone actually uses incremental dumps like that
though, so you'd need to do a bunch of testing before deploying such