Subject: Backup netatalk with Amanda
From: webmaster@euronetwork.com
Date: Mon Jan 31 2000 - 06:46:11 EST
Hi John,
> I read both the Netatalk and Amanda mailing lists, so can provide more
> Amanda information if you want. We use it heavily here and I happen to
> be one of the developers.
if you will help this will be great.
> Configuration can get confusing. Make sure you read docs/INSTALL before
> going too far. Also, there is a chapter about Amanda in a Nutshell book,
> and it's online at:
>
> http://www.backupcentral.com/amanda.html
>
> And you should look at www.amanda.org. In particular, there are patches
> to the 2.4.1p1 release specific to Linux.
Definetly I will read everything very close :)
> >... But someone is
> >telling on his site, that AMANDA cannot split a full backup over
> >multiple tapes, on which I am not sure if it's true? We use a Sony AIT
> >with 25GB tape drivew (native size) but our raid array is still 70GB big.
>
> Amanda cannot split any single dump image across multiple tapes (yet).
> A dump image is usually a file system.
>
> First, is the raid array 70 GBytes of capacity or in use?
> Second, is it a single file system or is it split into multiple entries?
It is a RAID-Mirror in a seperate Tower with 8 x 18GB HD. Mounted on a
folder called "/mac"
> Since you're using Linux, you will **not** want to use the dump program
> for backups (it's known to have numerous problems). So you'll want to
> use GNU tar instead. That, in turn, leads to the usual solution for file
> systems that are larger than a tape, which is to break them apart and do
> subsets. For instance, if you have /disk that is too large, you can tell
> Amanda, via GNU tar, to back up /disk/subdir1, /disk/subdir2 and so on.
I thought GNU tar has a problem with these very long path names!? This I
think will be the second major problem. They are using an very deep path
structure!
> However that might be painful depending on how your raid array is
> filled in. If you'll send me some more information, I'll be glad to
> try and help you set it up.
Thank you,
Uwe
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