Networker

Re: [Networker] SUN OS backup

2003-01-16 01:52:16
Subject: Re: [Networker] SUN OS backup
From: Dirk Verhoeff <dirk.verhoeff AT NL.ABNAMRO DOT COM>
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Date: Thu, 16 Jan 2003 07:50:56 +0100
Hello,

Have a look at the sun blueprints ( www.sun.com/solutions/blueprints ) in
the catagory 'rapid recovery'.
Some of the articles describe a way to 'enhance' the standard Jumpstart
image with solstice Backup software.

Basically, you just copy over /usr/bin/nsr ; /usr/sbin/nsr and /usr/lib/nsr
to <jumpstart>/OS/<version>/Solaris_x/Tools/Boot
You also have to make a writable /nsr directory available in the image; it
has to be there after you boot. Use a link from /nsr to /tmp/nsr, then add
a nsr tree ( with servers file in it ) to the .tmp_proto directory in the
jumpstart image ( see path above )
then, from the OK prompt of the host you want to restore : boot net -s (
assuming you've got Jumpstart setup for this host ).
After you boot from the image, make the appropriate diskpartitions for
root, var, newfs them and start the networker nsrexecd daemons.
You can then restore you root and var from Backups made earlier.
It's probably wise to fsck them before mounting them.

I've used this technique several times to make identical copies (
patchlevel and such ) of solaris hosts. The tricky bit is when you restore
to different hardware (licenses, device trees and such ), but that can be
done too.

You should really try this out before you have to use it.

Good Luck

Dirk Verhoeff
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