On 2007-10-11 10:35, Johan Booysen wrote:
Thanks fo your reply.
My understanding (as far as that goes) has always been that amanda can
only do full and incremental backups?
?? "...only..." ?? What other kind of backup are you hinting at?
If you mean a "http://www.backup4all.com/differential-backup.php";,
then that's just an incremental level 1, which you can configure
by setting e.g. "bumppercent 100", or by setting "bumpdays 99999"
(the latter one assumes you do run at least one other full backup
within the next 273 years :-) ).
I've been doing full backups because until now we've had the capacity to
do that. If I switch to the way amanda should really work, then does
that not mean that I'll get full and incremental backups, which will
make the restore process more cumbersome in terms of the number of tapes
needed for a restore?
Yes, but not so complicated that a restore becomes an gigantic task.
Moreover, then chance to need to restore a recently modified file is
much larger than files that are never changed. And in that case
restore from an incremental is much faster.
How else would you like to solve the problem of "too much data to fit
on a tape"? (besides removing the "dead files".)
I'm still using amanda 2.4.4.
Will appreciate your advice on this.
------------------------------------------------------------------------
*From:* Cyrille Bollu [mailto:Cyrille.Bollu AT fedasil DOT be]
*Sent:* 10 October 2007 16:57
*To:* Johan Booysen
*Cc:* amanda-users AT amanda DOT org; owner-amanda-users AT amanda DOT org
*Subject:* RE exclusions
At first sight it looks very easy: You are currently only doing
full-daily backups. So, switch to regular incremental/differential
backups and you'll be fine (No need to ask people doing tar files...)
Also, Amanda has all the features you need to keep track of where your
files have been backuped. (eg: "index yes" in amanda.conf, amrecover,
amtoc,...)
>
> What I want to do now is continue doing full backups every night, but
> exclude any data that will have been backed up to the monthly archive
> tape.
IMHO, you are describing a differential backup scheme here.
Cyrille
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