Networker

[Networker] Problem backing up a Linux cluster

2008-10-28 04:48:56
Subject: [Networker] Problem backing up a Linux cluster
From: tkimball <networker-forum AT BACKUPCENTRAL DOT COM>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Tue, 28 Oct 2008 04:46:50 -0400
Clusters are a bit tricky, they require:

-> client resource for each node, local drives only.

-> client resource for the virtual host, with a few extras:
1) remote access for system/root/whatever on both nodes
2) backup command set to 'save -c VIRTUAL' etc

This is how I successfully backed up a virtual host on Windows MSCS.  Note that 
I don't specify 'ALL' anywhere; Though it probably can work, we've had 
headaches with it here.

We also have a Veritas cluster on Solaris/sparc boxen.  After watching the 
behavior in how the filesystems failed over, we decided to set their backup as 
if they were standalone (again, not using ALL).  We understand the tradeoffs 
involved in not using ALL here, and it has worked fine (I've personally done 
recovers that were good).

Having the cluster be in active/passive mode also helps with a configuration 
like this; The MSCS cluster is active/active (sort of) so we did the 'normal' 
setup.

--TSK
-----=====-----
Tim Kimball, Sungard/BRASS

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