I recently purchased two of these drives on recommendation from a friend, but they are really terrifically horrible drives, especially for MySQL. I won't be accepting his recommendations anymore. I have the same problem with BOTH drives, and surprisingly the drives seem to have more problems and perform worse in RAID0 than as JBOD.

The drives lock up during random write, even for small block transfers. The only way to get the drive to respond after it 'locks', is to power cycle it or the computer.

The following tests were done on my Adaptec 5805 Dual Core RAID controller so I'm sure it isn't the controller's fault. Just to make sure, I tested a Highpoint 2320, a 3ware 9650se and onboard NVIDIA raid (as a PC enthusiast, I have a lot of RAID controllers to test) and all performed similarly.

Random write to the …