Date: Mon, 14 Oct 1996 13:34:07 +0100 (BST) From: Gordon Henderson <gordon@drogon.net> To: Joe Greco <jgreco@brasil.moneng.mei.com> Cc: "Rodney W. Grimes" <rgrimes@GndRsh.aac.dev.com>, freebsd-scsi@FREEBSD.ORG Subject: Re: Buslogic controller, Sync mode & a SCSI disk error Message-ID: <Pine.LNX.3.91.961014132103.19196D-100000@unicorn> In-Reply-To: <199610111357.IAA20953@brasil.moneng.mei.com>
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On Fri, 11 Oct 1996, Joe Greco wrote:
> > BACKUPS ARE STRONGLY RECOMMENDED BEFORE DOING THIS!
> > If that fails you are going to have to run a low level verify operation
> > and tell it to remap the block that it could not read, then run fsck
> > and hope to hell it was just a file system block and not meta data.
>
> Hi Rod,
>
> Is there a good tool to do this sort of stuff under FreeBSD (besides doing
> it by hand with the scsi command)?
Of course, theres no point in using an existing tool, or writing a utility
to do it if the driver is going to crap out on you when you do hit a bad
block.
My machine paniced again over the weekend )-: Looks like the bt driver
also corrupts the syslog file...
Oct 12 19:32:02 news /kernel: sd1(bt0:1:0): MEDIUM ERROR info:29b40f asc:11,0 Unrecovered read error
Oct 12 19:32:02 news /kernel: , retries:4^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@
^@^@^@^@^@^@^@^@^@
Oct 12 20:20:50 news /kernel: bt0: not taking commands!
Oct 12 20:20:50 news /kernel: Debugger("bt742a") called.
Oct 12 20:20:50 news /kernel: bt0: Try to abort
Oct 12 20:20:50 news /kernel: bt0: not taking commands!
Oct 12 20:20:51 news /kernel: Debugger("bt742a") called.
Oct 12 20:20:51 news /kernel: bt0: Abort Operation has timed out
Oct 12 20:20:51 news /kernel: bt0: not taking commands!
Oct 12 20:20:51 news /kernel: Debugger("bt742a") called.
Oct 12 20:20:51 news /kernel: bt0: Abort Operation has timed out
There were no othe rmessages until it reboted some 8 minutes later:
Oct 12 20:28:44 news /kernel: FreeBSD 2.1.5-RELEASE #0: Tue Sep 24 15:48:51 BST 1996
etc...
Gordon
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