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Backup Exec and Robotic Library MSL6000

Posted on 2007-04-02
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Hi,
I'm really just looking for some advise.  Ihave "inherited" a network that's using backup exec 10d which in fine, I know backup exec.  The problem is that there is a HP Storageworks MSL6000 Library attached to it, which isn't so fine.  This monster has 58 slots and although I can get it to backup, I'm looking for some advise or "best practice" on how to configure it properly or the best strategy to use.

The way the backups need to be contructed are - Mon -Thurs are differential, fri is a data full backup and last friday of every month is data+o/s.  The monthly is 700GB and spans across 3 tapes (i think).

I have read up on it and see how partitions are set up in BE but as I've said, I'm just looking for some "real-world" advice on configuring one of these!!

Thanks in advance :-)
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Question by:nfarrell
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1) before setting up partiotns and Pools, you need to know how much each daily backup takes, and also plan for expansion.

2) Read up on the best practies from the Veritas/Symantec site. There is plenty info there and in the help documents.

3) CHeck the logs DAILY !!!

I hope this helps !
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by:nfarrell
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Thansk for the reply.  So from what you're saying, and from what I've read I could do teh following:
There are 58 slots and my weekly/monthly take 3 tapes.  I could partition one partition of 3 slots for that and rotate them out on a weekly basis for DR

To ensure I get the most from my tapes, I could set 48 x 1 slot partitions for my mon-thurs over 12 weeks.  Then I create 48 seperate differential append backups (W1 Monday, W1 Tues, W1 Mon, W2 Tues etc) for mon-thurs over 12 weeks.

I end up with 51 (48x single slot partitions and 1x 3 slot partition) used slots and 7 spare.

So all in, I end up configuring 50 jobs - does that sound right??
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That's fine as long as you know for certain that your differenetials are never going to exceed 1 tape.

In addition, if a bad tape is encountered, your  differenetial Job will not run at all.

Are you  moving any tapes to  offsite backup sites?

How often are old tapes rotated out of circulation ?

To understand the full impact, you need to read the docs and understand the implications, which unfortunately, are not always clear and upfront.

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by:nfarrell
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Point taken, thanks for your advise.
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