Error in messages.

[lee slaughter]

this reminds this newbie:   is there any documentation  on freebsd 
(system)  error messages ?

Derrick MacPherson wrote:

>I started seeing this today:
>
>Feb  4 07:00:00 mail /kernel: (da1:ahc0:0:2:0): READ(10). CDB: 28 0 2 c 1 5f
>0 0 10 0 
>Feb  4 07:00:00 mail /kernel: (da1:ahc0:0:2:0): MEDIUM ERROR info:20c0168
>asc:11,0
>Feb  4 07:00:00 mail /kernel: (da1:ahc0:0:2:0): Unrecovered read error
>sks:80,35
>
>I umounted the disk, dumped it's contents to a spare disk.
>
>Can you suggest some tests for this drive, or should I just get it replaced?
>
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