On Sun, May 18, 2014 at 2:00 PM, Gene Czarcinski <gczarcinski@xxxxxxxxx> wrote:
The "OSTree" is new to me. I have not seen it previously mentioned.
It was a side project of mine for a while, but is now targeted for more production use in:
https://fedoraproject.org/wiki/Changes/Atomic_Cloud_Image
Also, /usr/etc ? Is this something new in Fedora 21?
/usr/etc is synthesized on the rpm-ostree compose side; it doesn't exist for traditional package installs yet, though some people wanted that.
Doing snapshots is only part of the solution. Then it is using btrfs-send to put baseline and delta files on some backup system. If your system goes tango-uniform then you can restore much easier with those backups. With respect to the backup of /etc, for restore I would bring back the shapshots and then selectively copy my updates from the snapshot to the new /etc.
Ah, you mean compute the delta by having a btrfs snapshot of /etc and doing the comparison vs that? Would mostly work except you're creating a snapshot of an *old* /etc that won't get updated as packages change.
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