Why is SCSI so much faster with the write cache off (than ATA)?

AT Matik asstec at matik.com.br
Fri Oct 27 22:23:54 UTC 2006


On Friday 27 October 2006 19:04, Kenneth D. Merry wrote:
> work well.  Is tagged queueing enabled on the ATA disks you're testing?  Is
> it the old-style queueing or NCQ?


hi

since it seems you're into this can you give further info how NCQ is related 
to the OS? how we can manage NCQ on OS level?

João







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