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Re: Guide(s?) to backup philosophies




On 3/14/17 11:18 AM, Dan Ritter wrote:

On Tue, Mar 14, 2017 at 05:54:06PM +0000, Glenn English wrote:
On Mon, Mar 13, 2017 at 12:38 PM, Dan Purgert <dan@xxxxxxxx> wrote:
David Christensen wrote:
On 03/11/2017 07:10 AM, Richard Owlett wrote:
I've vague ideas of what backup pattern(s) I might follow.
I'm looking for reading materials that might trigger "I hadn't thought
of that" moments.

Suggestions?
I didn't see anybody talk about incremental backup (the backup
consists of current versions as well as earlier ones -- often earlier
work can replace erroneous or lost current work. Or work you don't
notice is gone for a few days.). There are 2 I know of, and one (and
probably many more) that may do that:
Having been there and done that, I can assure you that having a
live snapshot system -- rsnapshot or btrfs/zfs native tools --
is more fun and less work for everyone.

Only if they do versioning. Otherwise, live snapshots mirror deletes - not very useful if you want to restore an accidental delete!

Miles Fidelman



--
In theory, there is no difference between theory and practice.
In practice, there is.  .... Yogi Berra