The only coordination I have seen has been when the backup software and filesystem are designed by the same company (i.e. GPFS and TSM). That said, this is sort of what POSIX compliance is all about - you might miss the more advanced features but at least the basic stuff is codified.
Skylar On Wed, Jun 8, 2016 at 3:03 PM, Bill Bogstad <bogs...@pobox.com> wrote: > On Wed, Jun 8, 2016 at 2:43 PM, Dan Ritter <d...@randomstring.org> wrote: > > On Wed, Jun 08, 2016 at 01:54:36PM -0400, Bill Bogstad wrote: > >> As for documentation/query tools for multiple families of filesystems, > >> I don't recall seeing anything. > > > > It doesn't exist. I do not think it would be reasonable to have it exist. > > > > btrfs RAID1 does not mean the same thing as LVM RAID1 or mdadm RAID1, and > > a flag on a filesystem can't tell you that it's stored on hardware RAID1. > >[lots more examples of filesystem differences] > > I understand the difficulty of this; but when it comes to program > visible differences (ownership models, ACLs, attributes, etc.), I find > it frustrating that even there there isn't as much as I think there > should be. There seems to be little coordination between developers > of filesystems and of backup software. I am never sure if I can > backup and restore the more advanced semantics of modern filesystems. > As a result, my tendency > is to stick to the 1980s POSIX model. Admittedly my recent > experience is 100% Linux, are things any better in the *BSD or Solaris > world? i.e. Do filesystem developers "bless" backup software as > being > 100% able to backup/restore all of the features they implement? > > Bill Bogstad > _______________________________________________ > Tech mailing list > Tech@lists.lopsa.org > https://lists.lopsa.org/cgi-bin/mailman/listinfo/tech > This list provided by the League of Professional System Administrators > http://lopsa.org/ >
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