Re: [Veritas-bu] Clean up disk space on Data Domain

We had an issue where we were almost maxed out on one of our Data Domain appliances. We went about it in two ways. We went into NBU and expired images via NBU that we knew should have been expired already.

Our issue came about after an NBU upgrade when the catalog lost track of a large number of backup images. Because of this problem, even after expiring images inside NBU, we still had images on the Data Domain that we didn’t need any more. To fix this we just mounted the Data Domain’s backup directory on one of our unix boxes and manually deleted the images from inside the Data Domain itself. I wouldn’t advise doing this unless you are 100% sure you know what you’re doing but it worked well for us.

Mark Glazerman

Desk: 314-889-8282

Cell: 618-520-3401

P please don't print this e-mail unless you really need to

From: veritas-bu-bounces AT mailman.eng.auburn DOT edu [mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of Randy Doering
Sent: Wednesday, March 18, 2009 12:55 PM
To: VERITAS-BU AT mailman.eng.auburn DOT edu
Subject: Re: [Veritas-bu] Clean up disk space on Data Domain

What we do when space gets tight on our DataDomain is to identify Images that are soon to expire within NBU. Go ahead and pre-expire them, then afterwards kick off a clean.

In our case, we use VTL and pre-expire the volumes that are soon to expire (we have 3 month retention), go out to the DD and vtl export/vtl tape del; followed by a vtl tape add/vtl import.

Randy

From: dmehta <netbackup-forum AT backupcentral DOT com>
To: VERITAS-BU AT mailman.eng.auburn DOT edu
Sent: Wednesday, March 18, 2009 12:54:43 PM
Subject: [Veritas-bu] Clean up disk space on Data Domain

Hi,

We are using NBU 6.5.3 and all our backups are going to Data Domain. One of our backend disk is at 100% and we want to get some space back.
However we do not know how can we get it faster other than running the clean process of DD, even after which we will be getting 265 GB space.

Any help would be appreciated.

Thanks,

Dushyant Mehta

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