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Cascading drive pools and/or intelligent pooled device allocation

Created: 08 Oct 2013 | 5 comments
Tim Messick's picture
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I have two ideas that would make Backup Exec more friendly for our environment.

First and foremost, cascading tape drives would be very useful to us.  Currently, our two-device tape drive pool of LTO4 media is insufficient to make it through the weekend full backup rotation without intervention.  As BE2012 is designed, it's unable to change devices mid-job even though there is lots of free space on the other drive.  The cascading devices feature from pre-BE2010 would let the job roll from a full tape to one with free space.  

If cascading drives is no longer an option, BE2012 could still fulfil our needs by intelligently allocating backup jobs.  To clarify this a bit:  currently, my tape drives show 640GB free and 175GB free.  I also have the "pre-scan" enabled for backup jobs, and let's assume that the next backup job to run has roughly 200GB of data to include in this backup as detected by BE2012.  Ideally, this backup job would be routed to the drive with 640GB of free space, since the whole job could fit on that media.  Sometimes, however, the job would be routed to the drive with only 175GB free.  We do not have anyone in the office over the weekends when these full backup jobs run, and so any new media that is needed will be unavailable until Monday.

Please let me know if either idea could be implemented for a future version of BackupExec - it would make management of the backup jobs much more efficient.

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pkh's picture

If you get a tape library with even a single tape drive, your problems would be solved.

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Tim Messick's picture

A tape library isn't really an option for us financially at this point, although I agree with you that it would solve the issue.  We're really hoping for a software fix for this issue.

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pkh's picture

A feature request will take a long time to implement.  It got to be accepted first.

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Tim Messick's picture

Symantec support suggested I post here as a feature request.  Is there somewhere else I should make this post to get it seen by Symantec folks who could potentially accept the idea?  I know it's not a given that it will be accepted or implemented but wanted to make sure that Symantec is aware of an area their product could be improved.

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pkh's picture

This is the correct place to post a suggestion.  What I am saying is that don't hold your breath on things like this.

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