Date: Mon, 26 Feb 1996 22:28:56 -0800 From: "Amancio Hasty Jr." <hasty@rah.star-gate.com> To: "JULIAN Elischer" <julian@ref.tfs.com> Cc: taob@io.org (Brian Tao), freebsd-hackers@freebsd.org Subject: Re: SCSI error code 83 and 84, medium errors Message-ID: <199602270628.WAA01579@rah.star-gate.com> In-Reply-To: Your message of "Mon, 26 Feb 1996 22:02:09 PST." <199602270602.WAA14498@ref.tfs.com>
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>>> "JULIAN Elischer" said:
> The AWRE and ARRE bits only replace a block if it can recover the data.
> one way of doing this it to write to the block, because the drive figures
> (correctly) that if you are over-writing the block, the old data doesn't
> matter and can be considered recovered and deleted..
>
> >
> > sd8(ncr2:2:0): error code 84
> > sd8(ncr2:2:0): MEDIUM ERROR info:1af3b asc:14,1 Record not found field rep
laceable unit: 2
> [...]
> > have gone away after a newfs (I tested it by dd'ing /dev/zero to a
> > file on that partition, filling it up, then reading the file back in).
> > The disk is a Seagate Medallist 1GB SCSI-2 drive, the last drive on
> > the third NCR53c810 controller. Is there anything I should be
> > worried about now?
> >
>
> keep a spare drive handy?
>
>
Not too long ago I trashed my old scsi disk. Sometimes, disk errors are
just an early warning that the drive is going bad. So just like Julian
said got a spare drive?
Amancio
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