Chuck Swiger wrote:
O. Hartmann wrote:
[ ... ]
One of my SATA disks, the SAMSUNG SP2004C seems to show errors
during operation (and also showd under 5.4-RELEASE-p3).
Sometimes I get this error:
ad10: WARNING - READ_DMA UDMA ICRC error (retrying request) LBA=11441599
while the machine still keeps working.
Other days the box crashes completely.
Is this a operating system bug or is this message an evidence of
defective hardware?
Back up any data you care about now. Use the smartmontools port or
hunt down a utility from Samsung which'll do a surface test (read
only, nondestructive).
You can also run a "dd if=/dev/ad10 of=/dev/null bs=8192" to do a full
read test under FreeBSD, and see how many CRC errors show up.
Actually, I would go with the "it's an operating system error." That's
exactly
the same error quite a few people (myself included) have been reporting
under
5.4 and 5-STABLE. In my case, I just installed the smartmontools port and
it's reporting that my drive is behaving perfectly.
This is 6.0-Beta? I have a couple spare drives here (destined to be part of
a RAID array on another machine). Perhaps after I get rid of some of the
current RL overloads, I will try it on this machine.
John
----------------------------------------------------------------------
John T. Farmer Owner & CTO GoldSword Systems
[EMAIL PROTECTED] 865-691-6498 Knoxville TN
Consulting, Design, & Development of Networks & Software
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