Date: Wed, 27 May 1998 11:30:26 +1000 From: "John Saunders" <john.saunders@scitec.com.au> To: "Michael Robinson" <robinson@public.bta.net.cn> Cc: <freebsd-stable@FreeBSD.ORG> Subject: Re: Bug in wd driver Message-ID: <06b301bd890f$084498f0$6cb611cb@saruman.scitec.com.au>
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Given the state the disk is in I'd try 2 things (after backing
up all data, or as much as possible).
First would be to fdisk/format the disk under MSDOS and see how
that handles things. If it works then re-install FreeBSD on it.
More likely is that MSDOS will suffer a hang which it might or
might not recover from. If it does recover you may get a sector
not found error.
If your not back in business then the next step would be a
lowlevel format of the drive. There are 3 outcomes to this.
The best is that the drive re-writes all the lowlevel sector
information and it comes good. The second is that nothing
happens as the drive ignores lowlevel formatting. The third
is that the drive proceeds to destroy the servo information
rendering the drive totally unusable (until it gets shipped
back to the manufacturer who may or may not still have the
equipment to fix it depending on drive age). :(
Check up with the drive manufacturer (web site maybe) to see if
lowlevel formatting is an allowable thing to do by the user.
Cheers.
-- . +-------------------------------------------------------+
,--_|\ | John Saunders mailto:John.Saunders@scitec.com.au |
/ Oz \ | SCITEC LIMITED Phone +61294289563 Fax +61294289933 |
\_,--\_/ | "By the time you make ends meet, they move the ends." |
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