At 11:14 AM 7/21/2008, you wrote:
Copying 5GB files shows you what kind of performance you would get for
working with say video, or anything with large contiguous files.
Database access tends to be random, so you want a drive with faster
random access, not streaming speed. Try copying thousands of small
files and compare the speeds.
One odd thing to check is if the "old" drive supports command queueing
and the new one does not. I assume that are both SATA drives. All SCSI
drives support command queueing and it can make a huge difference
depending on access patterns.
Brent
There is an excellent HD benchmarking program called HD Tach and is
available at http://www.simplisoftware.com/Public/index.php?request=HdTach.
They have a large list of benchmarked drives so you can see how well your
drive compares to those listed. Compare performance for random access, or
sequential reads/writes. It is a must have if you need the fastest drives
possible. They have a free version or a registered version.
Mike
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