DUMP: read error: Bad address
Lowell Gilbert
freebsd-questions-local at be-well.ilk.org
Tue Jan 20 10:46:56 PST 2009
Chris Jones <chris at cjones.org> writes:
> I have an amd64 machine with two drives. I've got my system set up on
> ad8, and I'm building a RAID0 array using gvinum that will span ad8
> and ad10. So for now, I have partitions on ad8 plus a set of volumes
> on ad10 that I want to move all my data to.
>
> Today I was doing a test move of all the data, using dump | restore
> like this:
>
> # dump -0aL -f - /var | ( cd /mnt/var && restore -rf - )
>
> I got about a dozen messages like this:
>
> DUMP: read error from /dev/ad8s1d: Bad address: [block 10992192]:
> count=5120
>
> What is causing this message, and is it a cause for alarm? Here's my
> bsdlabel for ad8s1:
>
> # /dev/ad8s1:
> 8 partitions:
> # size offset fstype [fsize bsize bps/cpg]
> a: 1048576 0 4.2BSD 2048 16384 8
> b: 4123872 1048576 swap
> c: 488279547 0 unused 0 0 # "raw" part,
> don't edit
> d: 104857600 5172448 4.2BSD 2048 16384 28528
> e: 2097152 110030048 4.2BSD 2048 16384 28528
> f: 376152347 112127200 4.2BSD 2048 16384 28528
>
> Thanks in advance for any help.
It could be a serious problem, but is not necessarily such.
Can you use smarttools to query the disk firmware for *its*
opinion?
--
Lowell Gilbert, embedded/networking software engineer, Boston area
http://be-well.ilk.org/~lowell/
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