The normal everyday amanda incremental backup saves all the touched files to 
the holding disk?

If the file is changed 5 times in a backup cicle it will get backed up 5 times? 
if so how do
I access it using amandarecover?

Luis


On Thu, 4 May 2006 10:26:39 -0400
Jon LaBadie <jon AT jgcomp DOT com> wrote:

> On Thu, May 04, 2006 at 03:52:07PM +0200, Luis Rodrigues wrote:
> > Hello.
> > 
> > I've just started a job at a new company. They have an backup system with 
> > everyday copies the touched files 
> > to a disk on a backup server and on the weekend it makes a 0 level to tape.
> > 
> > They say the system is not really relayable because some times they don't 
> > find the files an want a new one.
> > 
> > So I will install amanda.
> > 
> > The problem is that they want to keep the old backup touched files each day 
> > and zero level on the weekend.
> > In  http://www.amanda.org/docs/topten.html#id2552255 says this is not 
> > possible.
> > 
> > So I will use amanda with a weekly cycle so that at saturday everyting is 
> > backuedup. 
> > 
> > But I still need to incremental backup the touched files since last 
> > inscremental, is it possible to force amanda to
> > (in its runs during week) first copy to backup server the touched files and 
> > them some others?
> > 
> 
> You can nearly mimic what they have been doing.  Not necessarily my
> recommendation, but sometimes "ya gotta do what da boss sais ya gotta do".
> 
> Think of their current backup disk as amanda's "holding disk".
> Set up your amanda config to 'autoflush" the holding disk whenever
> it actually does tape.
> Set up your config to not do level 0's except when forced with amadmin.
> I forget if this is "skip-full" or "incr-only".
> Set up amanda to use a symbolic link to the tape device, eg. /dev/amandatape.
> This will be missing normally, so incremental backups will collect on the
> holding disk, waiting to autoflush.
> Set up your daily cron job to "rm amandatape" then amdump.
> Set up your weekend cronjob to amadmin force level 0's, create the symbolic
> tape device link, then do amdump, the rm amandatape.
> The entire week will go to tape.
> 
> > If so what will happen if a file is changed two times in one week?
> 
> You will have a copy of each version.
> During the week you can still use amrecover to get at the
> incrementals collecting on the holding disk.
> 
> -- 
> Jon H. LaBadie                  jon AT jgcomp DOT com
>  JG Computing
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