Is there a question in there or are you just making a statement?
I'll make a statement myself.
The big difference between ATA and SCSI is command queueing. That's really where the performance difference comes from. Basically, command queueing means the drive has some intelligence about handling instructions and data. The drive can optimize the reads and writes without help from the OS. Command queueing is now available on some SATA (and ATA I think) drives, which would be more important than RPM. Unless of course, you deal with huge files like video or graphics, then command queueing isn't so important.
Personally, it think a 4 drive SATA raid array would probably be as fast as a two drive scsi array and still be cheaper.
On May 11, 2005, at 3:29 PM, Kevin Burton wrote:
Were kicking around using SATA drives in software RAID0 config.
The price diff is significant. You can also get SATA drives in 10k RPM form now.,
Kevin
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