Bacula-users

Re: [Bacula-users] Which full back up is an incremental/differential back up based on if multiple full back ups exist within multiple pools with different retention periods?

2013-03-20 13:49:11
Subject: Re: [Bacula-users] Which full back up is an incremental/differential back up based on if multiple full back ups exist within multiple pools with different retention periods?
From: Phil Stracchino <alaric AT metrocast DOT net>
To: "Novosielski, Ryan" <novosirj AT umdnj DOT edu>
Date: Wed, 20 Mar 2013 13:46:41 -0400
On 03/20/13 13:33, Novosielski, Ryan wrote:
> On 03/20/2013 11:34 AM, Phil Stracchino wrote:
>> tl;dr version: A Differential backup is always based off the most
>> recent completed successful Full backup of that Job at the time the
>> Differential was started (or possibly at the time it was scheduled,
>> I'm not 100% certain of that detail).  An Incremental backup is
>> always based off the most recent completed successful backup of
>> that Job at *any* level.
> 
> A related question for anyone reading -- if I delete, say, the last
> two daily incremental backups and run a new one... would that
> incremental now pick up all of the files that were in those two plus
> whatever's changed since?

It should, yes.


-- 
  Phil Stracchino, CDK#2     DoD#299792458     ICBM: 43.5607, -71.355
  alaric AT caerllewys DOT net   alaric AT metrocast DOT net   phil AT 
co.ordinate DOT org
  Renaissance Man, Unix ronin, Perl hacker, SQL wrangler, Free Stater
                 It's not the years, it's the mileage.

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