Amanda-Users

Re: How to examine a tape?

2004-04-21 07:46:24
Subject: Re: How to examine a tape?
From: Nicolas Ecarnot <nicolas.ecarnot AT accim DOT com>
To: amanda-users AT amanda DOT org
Date: Wed, 21 Apr 2004 13:44:04 +0200
Mats Blomstrand wrote:

Hi All

I have been given a tape with "useful data" on. I dont know how the data is
put on the tape so cant figure out how to get to it. I have tried to use tar
to read directly from tape-device but it doesnt recognize anything.

Please enlight me with some tape-basics on how to investigate an unknown tape.
Thanks!
//Mats

[Part of a doc I wrote in french, but you'll understand the commands :]

dd if=/dev/nsa0.1 of=/tmp/restored/monFichierArchive bs=32k skip=1

L'option "skip=1" est utilisée ici pour éviter de lire l'entête du fichier d'archive, qui n'en fait pas partie, mais qui est rajoutée par Amanda.

On peut ensuite exploiter (en extraire des fichiers) le fichier d'archive avec les commandes "tar" ou "restore" (selon la méthode utilisée lors de la sauvegarde) :

root@backup # tar tvf /tmp/restored/monFichierArchive

ou

root@backup # restore -tvf /tmp/restored/monFichierArchive

I know, I'd rather translate this huge doc in english...

--
Nicolas Ecarnot


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