Re: [PATCH] speed up SATA

Jeff Garzik
2004-03-29T20:13:51Z

David Lang wrote:
> Pavel, when you say that 32MB would be 1 second is that due to the limits
> of the SATA bus or are you baseing this on a particular drive?
>
> if you are basing it on a current single SATA drive (7200rpm 8MB cache,
> etc) consider that if you are writing to a solid state drive or to an
> array that presents itself as a single SATA drive then the transaction can
> happen MUCH faster.
>
> if this is a limit of the SATA interface bitrate, consider that over the
> last several years EVERY interface has seen it's bitrate climb
> significantly, frequently with little (if any) fundamentalchange to the
> drivers nessasary to run things.

Sata-1 is 1.5Gbps, and Sata-2 is 3.0Gbps. 6.0Gbps is the next step
people seem to be working on...

Jeff