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Max number of concurrent operations to backup to disk folder using BackupExec 11d

Posted on 2007-04-04
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Experts,
I am setting up a backup to disk device using Backup Exec 11d and am wondering how many concurrent operations I should set for that folder. In the documentation it states that "the number of concurrent operations can be set depending on the number of processors", but it doesn't give any guide lines as to what that means.

I am running backup exec 11d on a Windows 2003 Storage Server R2 64bit machine w/ 1 GB of RAM. In the task manager, the perfomance tab show a total of eight processors.

How many concurrent operations can I run without sacraficing too much performance?

Thanks,
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Question by:fyrfyter
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AdamRobinson earned 500 total points
ID: 18864361
If you're only using this as a Storage Server, what are you worried about sacrificing performance-wise?  If the speed of the backups, wouldn't concurrent writing of various jobs to disk more than make up for any of the time lost?  

For the answer to your concurrent operations, I would suggest testing it on your exact configuration, incrementing the amount of operations until you're happy with the progress.  It's very hard to give you an estimate (especially considering there's no stated ballpark figures for BE regarding this) since even with exact specs, you may have other services and/or higher or lower quality parts in your server.  

Do some small jobs, watch the processor and memory usage, and find your sweet spot and go with it.


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by:fyrfyter
ID: 18864807
That's seems like good advice. The server is a file and print server in addition to hosting Backup Exec and the backup to disk folders. I guess my main concern is just crashing the server. I thought there might be some "stated figures" out there that I might have missed.

Thanks for your advice.
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