I have been wondering about this for a while. Am I better off having
backups run parallel or in series?

By running in series, I mean one backup runs at a time. When it finishes,
another one starts.

By running parallel, I mean that several backups run at once. It seems
that when backups have to fight over bandwidth, they all end up running
much more slowly. I have it set up to run four backups at once.

A server that rarely runs more than one back has achieved throughput as
high as 24.13 MB/sec. However, the server with four backups has a maximum
of only 5.71 MB/sec. Bottom line, the four when added up still don't get
as good a throughput as the single backup.

What does everyone here think?

Chris Baker
cbaker AT intera DOT com
512-425-2006

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