Amanda-Users

Re: How to use 2 tape drives for backup with amanda?

2006-09-25 14:40:38
Subject: Re: How to use 2 tape drives for backup with amanda?
From: Dominik Schips <mail-lists AT s235 DOT de>
To: amanda-users AT amanda DOT org
Date: Mon, 25 Sep 2006 20:33:57 +0200
On Monday 25 September 2006 00:42, Jon LaBadie wrote:
> On Sun, Sep 24, 2006 at 08:38:39PM +0200, Dominik Schips wrote:

> > # Config for OVERLAND PowerLoader Tape Autoloader
> > tpchanger "chg-zd-mtx" # the tape-changer glue script, see TAPE.CHANGERS
> > changerdev "/dev/sg2" # tape-changer device
> > changerfile "/etc/amanda/DailyFull/CHANGER"


> Two things.
>
> You say your changer is /dev/sg3 but your conf file says sg2.

Ups, I used the old amanda.conf and did a cut&past. In this config I had only 
one device.
I changed this in my actual config.

> Also, nowhere in the conf files is a tape device defined.

Sorry. I did the cut&past a few lines to early.
I have this line in the amanda.conf:

# Tape device
tapedev "/dev/nst0"     

> As to using multiple drives, amanda is not designed to do that.

This is what I want to know. Thank you for this information and your fast 
reply

> Ways amanda users do use multiple drives include:
>
>   chg-multi which treats two (or more) drives as if they were
>   a tape changer with a single drive
>
>   set up multiple configs, each backing up a different set of
>   hosts.  assign a separate group of slots and 1 drive to each
>   config

I have to think about that if it make sense for my backup.

>   use the drives as a RAIT, either mirroring the data or
>   striping the data across the two drives

I think I won't do this at the moment. Maybe in a later stat of the backup 
concept.

Best regards

Dominik

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