On Tue, 2003-07-01 at 00:51, Albert Charron wrote:
> I have 3 computers running Linux on WD HardDrives: 2 comps on 40gigs (1
> UDMA3 because the MB doesn't support above this and the other at UDMA5)
> and 1 comp on 80gigs (UDMA5)without a problem. For now, they are the
> only drives that I didn't go through problems... Got a lot of problems
> with Maxtor and IBM HD... Don't know if I'm only lucky with WD or if
> I'm not with the other :P
>
> Albert
>
> ______________________________________________________________________
It may well be that this is no longer a problem, although anecdotal
evidence as quoted earlier suggests that there are still "issues" with
"some WD drives". This thread is also running in parallel on the Linux
Users Victoria group. Chris Samuels posted as follows:
-------------
The nub of the matter is explained in this kernel-traffic posting from
2000 at:
http://kt.zork.net/kernel-traffic/kt20000214_54.html#2
to quote:
# WDC drives blow off the CRC check of UDMA.........This is BAD and
STUPID.
# Several of the OEM chipset makers have allowed this crap to exist.
ATA-2
# (style) can not handle ATA-3/4 transfer rates without the CRC checks,
you
# end up continuing the DMA writing regardless if you lost data that
would
# have been saved if the UDMA CRC was intact.
#
# This is a pure hardware issue........I do not know yet if there is a
way to
# check/recover with out death to DMAing for all WDC products. The best
case
# at the moment is to consider blocking all WDC products from using the
ATA-3
# and newere standard.
-------------
Again though, this is old info and may no longer apply. In the absence
of specific information to the contrary though, I will continue to avoid
them, while recognizing that this could well be punishment for past
sins.
Brian
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