ATA anomaly Question
Matthew Dillon
dillon at apollo.backplane.com
Mon Mar 21 11:05:17 PST 2005
:>>Fine with me - so long as it doesn't actually downshift I/O rate-wise.
:>>(which IIRC, the FreeBSD ones actually *did* do, at least early-on.
:>>Ancient history now...)
:>
:>
:> It certainly doesn't I've seen well over 40MB/s out of a SATA
:> drive with the limited to UDMA33 message.
:>
:
:Sounds good! - Few single drives can sustain even that in 'real world'
:use- regardless of the interface. Burst-mode is, of course, another matter.
:
:Thanks,
:
:Bill
35-50 MBytes/sec is fairly typical for a modern drive these days. The
linear transfer rate goes up with density. The head seek times, on the
otherhand, haven't changed much over the last few years.
-Matt
Matthew Dillon
<dillon at xxxxxxxxxxxxx>
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