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Backup strategy advice


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I have a problem and I would like your advice on solving it:

 

 

 

I have a central WIN2K server running Retrospect server with 400GB of disk for storage area and a HP DLT1/9 40/80 GB Tape Library. In addition I have about 200 PCs (170 desktop/30 laptop) in the facility to backup. Due to space restrictions, we are limiting each PC to about 2GB of dump storage each.

 

 

 

If I put all the users in one gigantic backup set, that will work until I take an Archive dump from disk to tape to reset the backup set. At this time, everyone will attempt to take a complete dump. On a first come, first served basis and assuming 45 Mins to do each dump, it could take up to 150 Hours (6+ days) before the last poor soul gets dumped again.

 

 

 

To get around this problem, I wish to create five backup sets with about 40 users and 80 GB storage in each. Each weekend, I will Archive dump one ot the backup sets from disk to tape and allow the set to reset. Then it will take only about 30 Hours (1+ day) to get everyone backed up again. It the dump occurs over the weekend then just about all of the desktops will be backup during the weekend timeframe.

 

 

 

Does this sound like a reasonable proposal or is there something else which might work better?

 

 

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In addition, I am working a schedule such that from 7AM-7PM, Mon - Fri, the script is spinning looking for anyone who has set the "Dump Now" flag or who hasn't been backed up in the last seven days. From 7PM Fri to 7AM Sun, the script is looking for anyone who hasn't been dumped in the last seven days.

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