Networker

[Networker] FYI - NetWorker 7.5.x and deleting savesets from ADV_FILE devices

2009-04-26 21:19:07
Subject: [Networker] FYI - NetWorker 7.5.x and deleting savesets from ADV_FILE devices
From: Preston de Guise <enterprise.backup AT GMAIL DOT COM>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Mon, 27 Apr 2009 11:07:46 +1000
Hi everyone,

Just a heads up about a new feature I've discovered in NetWorker 7.5.x that may affect you if you're using disk backup units.

A lot of administrators when using disk backup units will periodically use nsrmm to delete savesets from the disk backup unit under certain circumstances - e.g., a big manual job that wasn't needed, a failed full that's going to be re-run, etc.

Usually the procedure has been:

nsrmm -d -S ssid
nsrim -X

or

nsrmm -d -S ssid
nsrstage -C -V volume

This *does not work* any more in 7.5.1. (Not sure about 7.5. Not going to test, either.)

Instead, when it comes to the purge operation, NetWorker reports that it's been unable to reclaim space from the disk backup unit because it's been unable to find details about the deleted saveset(s).

As a workaround, you can instead do the following:

nsrmm -w now -e now -S ssid
nsrim -X

This will mark the saveset as immediately recyclable and then the subsequent nsrim will trigger safe disk cleanup.

Cheers,

Preston.


--
Preston de Guise


"Enterprise Systems Backup and Recovery: A Corporate Insurance Policy":

http://www.amazon.com/Enterprise-Systems-Backup-Recovery-Corporate/dp/1420076396

http://www.enterprisesystemsbackup.com

NetWorker blog: http://nsrd.wordpress.com

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