BackupPC-users

Re: [BackupPC-users] idea

2008-09-06 00:05:57
Subject: Re: [BackupPC-users] idea
From: dan <dandenson AT gmail DOT com>
To: "Les Mikesell" <les AT futuresource DOT com>
Date: Fri, 5 Sep 2008 22:05:51 -0600
rsync should not(i mean, it is designed not) assume that a file exists under any circumstances.  It should still check every file's mtime.


I think i may just add -I to the rsync commands.  I have looked through config.pl but I only see a single rsync args section, not one for fulls and incrementals.  I'm not really concerned with the time it takes to do a checksum on these files so id rather do a checksum than not.  Id just do fulls but I have a schedule for fulls and incrementals so I get fulls at month end and incrementals in between

On Thu, Sep 4, 2008 at 10:10 AM, Les Mikesell <les AT futuresource DOT com> wrote:
rouilj-backuppc AT renesys DOT com wrote:
On Wed, Sep 03, 2008 at 06:57:39PM -0600, dan wrote:
this was on an rsync incremental.  There was no error in the Xfers log, it
is like the file was not there.  The atime on the file is from before the
backup so I know the file was there.  I have only seen this one time.

The idea of marking it partial is that backuppc would then kick in on the
next wakeup and try to finish the job because there was not a completed
backup within the schedule.   Then the next backup would have very little to
transfer and may pick up the missing file.

Are you sure this wasn't a case of an incremental backup where the
atime/mtime on the file was from before the prior incremental?  Rsync
incrementals (IIRC) skip files that should have been captured in a
prior incremental (or a prior full).

Even incrementals in rsync are supposed to check that a copy exists with the same mtime and file length in the previous full (or full or incremental if you are doing incremental levels).

--
 Les Mikesell
  lesmikesell AT gmail DOT com

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