On Tue, 11 Sep 2007, Michael Watterson wrote:
> SAS is a different beast from ordinary Consumer SATA,
It's not. Again, SAS *is* the SATA phy, except the high-level
commands are SCSI, not SATA.
> A cheap SATA PIDE adaptor won't give you SAS.
"SATA PIDE"???? What are you talking about.
> I think you will find than almost all consumer PCs / Mobos that
> allege to offer SATA RAID, that it is RAID0 or RAID1 and in SW
> (inside the driver). Not HW (i.e. its own CPU & RAM) and not RAID5.
Agreed. This is a function of cost, not SATA/IDE/SCSI.
> eBay. But why are SCSI disks so much more expensive than ordinary
> SATA or PIDE disks?
Cause the target market is less price sensitive. SATA and SAS drives
targeting that market also cost more.
regards,
--
Paul Jakma paul at clubi.iepaul at jakma.org Key ID: 64A2FF6A
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