> There's also performance internal to the tsm server to consider.
> The large server backups could be monopolizing your network
> throughput, scsi card throughput, pci/pci-x bus throughput, or some
> combination of all the above.
>
System performance monitoring shows hardly any network I/O during this
situation.
After all there is incremental backups running, it's not backing up much.
On the restorations, it was 10,000 files for 8 GB. again not much.
One issue I have seen is high i/o wait on the TSM database volume, which
is why I know I have a database I/O issue, but, cancelling the larger
backups should not cause the restoration to suddenly jump from sending a
few hundred mb per hour to a gig every 5 minutes. Which is why I think
it's an internal TSM issue and not a hardware performance issue. But
maybe it is. I Just need more input into what to look for.
Matt Glanville
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