Disk problems
Lowell Gilbert
freebsd-questions-local at be-well.ilk.org
Mon May 23 11:14:12 PDT 2005
Martin Kruse Jensen <guble at pixelpoint.dk> writes:
> I'm having some problems with my FreeBSD 5.3 server, running on an AMD
> using IDE disks. The disk is having some problems:
> # dmesg
> ad0: FAILURE - READ_DMA timed out
> ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=18986207
> ad0: FAILURE - READ_DMA timed out
> ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=18986335
> ...cut...
> ad0: FAILURE - READ_DMA timed out
> ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=18973151
>
> I'm suspecting some bad blocks, but how do i test for them, and mark
> them bad?
> I'm extremely new in FreeBSD so be gentle ;o)
"What do I do when I have bad blocks on my hard drive?"
http://www.freebsd.org/doc/en_US.ISO8859-1/books/faq/troubleshoot.html#AWRE
But in this case, it doesn't look like bad blocks to me. Much more
like electronics problems. [Have you opened the case lately? Try
replacing the ATA cable.]
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