Veritas-bu

[Veritas-bu] Disk to Disk Backups

2002-03-06 17:55:58
Subject: [Veritas-bu] Disk to Disk Backups
From: bob.bakh AT cox DOT net (Bob Bakh)
Date: Wed, 6 Mar 2002 14:55:58 -0800
How about looking into replication and standby servers, if the data is that
critical and the company will go belly up, then any backup is too slow, the
only thing that would work in that case is either, synchronous replication
to protect against a system failure, or  a site failure, or asynchronous
replication to protect against corruption, now the latte will not help if
the corruption happens over time, then you will definitely have to go back
to disk or tape.

Now you could also use Oracle replication which is supposed to look for
corruption.

Backup isn't always the answer and Disk backup isn't much help in
performance, with multi streaming you can span a backup across many tape
drives and beat most disk performances if you have robust robot and a
directly connected media server.

Bob
----- Original Message -----
From: "Day, David" <dday AT sous DOT com>
To: "'Rick Keahey'" <rickkeahey AT hotmail DOT com>
Cc: <veritas-bu AT mailman.eng.auburn DOT edu>
Sent: Wednesday, March 06, 2002 2:39 PM
Subject: RE: [Veritas-bu] Disk to Disk Backups


> Have you evaluated Veritas' Database Edition?  We are in a Solaris
> environment running Oracle and the DBE gives us some pretty robust
options.
> It does have a hefty price tag but in that environment, it sounds
completely
> justifiable.  I'm running Ultriums and am pleased with performance.  It's
> LAN based but I'm preparing to move to direct SAN based which should give
a
> nice reduction to my backup window.  I would recommend continuing to look
> beyond DLT as it sounds you are doing and avoid LAN based backups.
>
> >Ok, so here is my delima.  I have more and more customers coming to me
> >saying that they have a database that is mission critical and if it goes
> >down, they need to be able to restore it very quickly, within minutes or
> >few hours.  The problem is that these databases are expected to grow to
> >several terabytes in the next year or so.  Backups alone will take
forever,
> >but the restores will be ugly.  We are using DLT's right now and are just
> >starting to use SDLT's.  I use NetBackup for backups software and do not
> >have the option to change off of that.  Disk base is really the only
choice
> >that I have to look at from here, although I am not against looking at
some
> >other means that will speed things up.
>
> >Thanks,
> >Rick
>
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