Date: Mon, 10 Mar 1997 09:55:57 +0100 From: j@uriah.heep.sax.de (J Wunsch) To: gilbertd@cs.man.ac.uk (Dave Gilbert) Cc: scsi@freebsd.org Subject: Re: Medium error messages - how to read Message-ID: <19970310095557.GH50073@uriah.heep.sax.de> In-Reply-To: <3322D5EA.9398D0B@cs.man.ac.uk>; from Dave Gilbert on Mar 9, 1997 15:23:22 %2B0000 References: <3322D5EA.9398D0B@cs.man.ac.uk>
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As Dave Gilbert wrote:
> Mar 8 21:57:40 uriah /kernel: sd1(ahc0:2:0): MEDIUM ERROR info:756cb
^^^^^
That's the failing block number (in hex).
> asc:11,0 U
> nrecovered read error
> Now I'm presuming that the 2940UW driver is not lying and it really
> is a Medium error.
The driver can hardly lye about this.
> First of all what should I do - is there anyway I can see if the drive
> has automatic block remapping on?
Yes, it's on mode page 1. Run
scsi -f /dev/rsd1.ctl -m 1 -e
...and set AWRE and AWWE to 1. Anyway, since it's an unrecovered
error, you still need to write the block once in order to force a
remap.
> I'm inclined to think its the drive; but the fact that its only
> happened after its been put on the PC makes me suspicious - even
> though it is the 3rd one of these drives that we've had!
I think the Sun handled remapping of its own.
--
cheers, J"org
joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)
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