> # hdparm -tT /dev/md3
>
> /dev/md3:
>  Timing cached reads:   1724 MB in  2.00 seconds = 862.23 MB/sec
>  Timing buffered disk reads: 376 MB in  3.01 seconds = 125.06 MB/sec
>

These are both very slow for a modern PC. The top number measures
cache/ram speed I would expect this number 2000 to 5000. The bottom
number which measures disk performance is less than a single SATA
drive.

> Any assistance would be greatly appreciated

If you can make sure the database is not on /dev/md3 especially if
this is the source or destination of your backups.

Also did you tune the database? A lot of mysql implementations are
tuned for a ridiculously small amount of ram like 64MB.

John

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