Networker

[Networker] backing up linux cluster always does full backup

2005-12-06 11:33:55
Subject: [Networker] backing up linux cluster always does full backup
From: Nicole Skyrca <nskyrca AT SYR DOT EDU>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Tue, 6 Dec 2005 11:22:06 -0500
Hello,


I have two RedHat Enterprise Linux v. 2.4.21 that are setup in a cluster. Each 
server has local disks for the operating system, and the data is on a shared 
filesystem that is mounted from the SAN, but this filesystem is only mounted on 
the "primary" server.  Each physical node in the cluster (db-server02a and 
db-server02b) is configured as a client in Networker, and backs up all 
savesets. I configured a client for the virutual cluster name (db-server02) and 
it only backs up the filesystem from the SAN.  

The backup schedule is full once a month, incremental the rest of the month. 
Everytime I do a backup of the virtual machine, it does a full backup, even 
when it's scheduled for an incremental. The following is from the logs:
  
12/05/05 12:04:52 nsrd: savegroup info: db-server02.syr.edu:/mysql: No full 
backups of this save set were found in the media database; performing a full 
backup


When I run mminfo, I don't see anything for db-server02, but do I see the 
entries for the SAN filesystem in db-server02a.  


How do I backup the SAN filesystem with the vitual machine name so that it 
doesn't do a full backup every time?

I tried adding the file pathownerignore in the /usr/sbin directory as per the 
pathownerignore man page, but that didn't change the behavior.

A message in the Networker archives that suggested to "put "save -c 
virtual-name" in the Backup Command filed in the Remote tab."  I've never put 
anything besides "savepnpc" in that field, so I don't think I fully understand 
what it's doing.  Does this work?  Has anyone had problems with it?

My backup server is running Solstice Backup 6.1.4 Build 562 on Solaris 8.

Thanks!
Nicole

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