BackupPC-users

[BackupPC-users] Backup only new file(s)

2009-06-11 05:27:45
Subject: [BackupPC-users] Backup only new file(s)
From: Mirco Piccin <pictux AT gmail DOT com>
To: "General list for user discussion, questions and support" <backuppc-users AT lists.sourceforge DOT net>
Date: Thu, 11 Jun 2009 11:24:44 +0200
Hi all,
i have to backup a folder (using smb).

Every day (except sunday) a procedure stores in this folder a 120GB file.
The name of the file is the day name.

So, in a week, i have 6 different files generated (about 720 GB).
Every week the files are overwritten by the procedure.

I'd like to backup only the newest file, and not all the folder.
The problem is that i suppose i must have a full backup of the folder
(720 GB), because of $Conf{FullKeepCnt}  must be >= 1, plus
incremental backup.
So, configuring:
$Conf{FullPeriod} = 6.97;
$Conf{IncrKeepCnt} = 6;

i'll have :
on sunday the full backup -> 720 GB
on monday the incremental backup  -> 720 GB (the full backup) plus 120
GB (the new monday file)
on tuesday the incremental backup  -> 840 GB (the full backup plus
incremental) plus 120 GB (the new tuesday file)

and so on, for a total of 1440 GB (the double of the effective disk
space needed).

And again, sunday BackupPC will move 720 GB of files, and so on.

Is there a way to backup only the new file (maybe playing with
$Conf{IncrLevels}), without a full?
Or a way to optimize it?

Thanks
Regards
M

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