Re: [Veritas-bu] De-multiplexing

2013-01-31 12:45:35
Subject: Re: [Veritas-bu] De-multiplexing
From: Neil Conner <neil AT mbari DOT org>
To: wts AT maine DOT edu
Date: Thu, 31 Jan 2013 09:45:27 -0800
What you're going to want to do is use NetBackup to duplicate only the backup IMAGES you want to keep.  You can deselect "preserve multiplexing" so that you can run per-client batches and combine all single-client backup images onto distinct tapes.  Make sure you have the maximum number of backup image copies set appropriately before you start.   Then you can expire the original backup images.  If there was only one copy of each backup image, you will be expiring copy1 and copy2 will automatically be promoted to the primary copy (restores are always read from the primary copy).


On Jan 30, 2013, at 1:42 PM, Wayne T Smith <WTSmith AT maine DOT edu> wrote:

To run a little further with what Rusty wrote, it appears that *any* tape you have used might contain data from the customers of interest.  Backup images have probably been expiring for years.

So if you are required to obliterate their data, not just expire it, you'll need to move everyone's current data elsewhere and then obliterate/destroy all of the tapes.  As Rusty discussed, "elsewhere" may vary on what you want to do going forward.  I suppose similar schemes could be devised for other media types.

Cheers, Wayne

On Wed, Jan 30, 2013 at 12:40 AM, John Collins <jhn.collins AT yahoo DOT com> wrote, in part:
For the past 10 years we have been running 5 backup policies in a hosting environment.  We host data for about 100 different clients.  We have 5 main policies: Exchange, File Shares, Databases, VMWare, and Windows.  We use multiplexing and multistreaming, so that we have a situation where we have accumulated thousands of backup tapes with the data of various customers multiplexed, or co-mingled together. 
Some of our customers would like us to dispose of their data--and others want us to keep it.
Does anyone have any ideas about how to go about resolving this dilemma?  Can we de-multiplex the data somehow?  Any help or ideas is greatly appreciated.  The verion of Netbackup has ranged from 4 to 6.5.
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