Thank you for your reply David,
The reason is that for this particular case, we are not allowed to give
the customer the catalog. They require a tape monthly and we don't want
to give other information regarding out backup system to them. And we
cannot afford having another backup server for them. And they don't want
a plain old tar tape they require the backup taken by veritas netbackup.
So I am trying to show that the tapes can be extracted, but I am
unsuccessful for now. The backups are done on the windows server. I
tried to extract the tapes on the unix using the modified veritas tar,
but still unsuccessful. For some reason when I import the tape it still
doesn't show in the list of backups either.
Mike
-----Original Message-----
From: David Chapa [mailto:david.chapa AT adic DOT com]
Sent: Wednesday, January 14, 2004 5:13 PM
To: Veritas; veritas-bu AT mailman.eng.auburn DOT edu
Subject: RE: [Veritas-bu] Disaster Recovery: only have netbackup tape
You can use the supplied modified version of GNU tar to extract data
from NetBackup tapes, but you need to know what data resides on which
tapes. However, if you have employed multiplexing, then you lose the
tar compatible header. In that case, there is a utility on CA's website
(I think it is listed on www.backupscripts.com download section) that
allows you to read NBU multiplexed tapes.
And you can recover to an OS different from the original, but you just
need to make sure that you application would be able to access it and
there weren't any extended attributes/permissions required that may or
may not have been truncated during the restore, depending on your
restore destination.
In any case, I can appreciate the model you are simulating, but since
you mention that you have offsite tapes, but not the catalog tapes I
would ask the question, "why not?" I have written quite extensively
about disaster recovery and planning/implementing backup and recovery so
your model intrigues me.
Is this model simulating your worst cast scenario?
Is it an issue with completing catalog backups?
Or catalog backups interfering with backup window, so they can't run?
Just curious as to what pain points have led you to this particular
simulation model.
David A. Chapa * Technical Advisor, Technical Marketing * ADIC *
720.249.5836 * david.chapa AT adic DOT com
Pathlight VX - Integrated Disk-to-Tape Backup - http://www.adic.com
-----Original Message-----
From: Veritas [mailto:vcs AT myrealbox DOT com]
Sent: Wednesday, January 14, 2004 7:47 AM
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: [Veritas-bu] Disaster Recovery: only have netbackup tape
Hi All,
I am trying to simulate a disaster recovery case where everything is
damaged, but we have the tapes offsite. But we dont have catalog
backups.
So the question now is:
I reinstall netbackup, for simplicity I just need data on one tape.
import the tape into the catalog.
Now since this backup was not taken on the OS netbackup is on, I need to
create another host with the same os as the backup client.
Are there other ways to recover this single tape, say if it is a backup
of a netware environment, can it be extracted to a unix or windows host
using tar etc?
Thanks,
Mike
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