On Thu, 4 May 2006, Luis Rodrigues wrote:
> The normal everyday amanda incremental backup saves all the touched files to 
> the holding disk?

Yes.

> 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?

By specifying the date of the version you want to recover.

> 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:
> > > 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.

Gr{oetje,eeting}s,

                                                Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert AT linux-m68k 
DOT org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                                            -- Linus Torvalds