[Networker] Failed backups of Servers in a cluster

2005-04-01 16:31:43
Subject: [Networker] Failed backups of Servers in a cluster
From: "Rohrich, James" <James.Rohrich AT UOP DOT COM>
Date: Fri, 1 Apr 2005 15:24:06 -0600
About two weeks ago, we started receiving failures of the individual
servers in a cluster. We are running Networker 7.1.1 on HPUX 11. The
cluster is running Windows 2003 and the client is also 7.1.1. About the
time the failures started, the servers were patched one by one with the
SmartStart Cd ver 7.2. The cluster is made up of 4 servers, 3 active and
1 passive. It is part of the Exchange system.

Currently if all of these servers are backed up at the same time, more
than half of the save streams will fail (C, d, System DB, etc.). Through
a number of restarts, the jobs will evenutally complete. If each of the
servers is backed up individually they will succeed. As soon as two of
the servers are placed in the job, there will be failures.

Typical error is "resource temporarily unavailable". The failures
started after the 3rd server was patched, but the failure was on two of
the other servers previously patched. Currently a failure occurs every
night. The indiduals that support the server are convinced the problem
is the backup system, even though the failures started after the third
server was patched. Prior to the patches there was the occasional rare

To make matters even more confusing, the Exchange message stores
succeed, as do the virtual drive backups. One consistent item is that if
the original server backups are still running, the Email and/or virtual
drives are likely to fail also.

James Rohrich 
25 E. Algonquin Rd.
Des Plaines, Illinois 60016
Tel: (847) 391-3958
james.rohrich AT uop DOT com

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