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Re: Bad WD1.6G? - Kernel Panic

daemon@ATHENA.MIT.EDU (Mitchell Leben)
Fri Oct 25 15:40:29 1996

Date: Fri, 25 Oct 1996 13:35:22 -0500 (CDT)
From: Mitchell Leben <mitch@smithphoto.com>
To: Rob Hamm <hammr@ucfv.bc.ca>
cc: redhat-list@redhat.com
In-Reply-To: <199610251657.JAA20508@cheam.ucfv.bc.ca>
Resent-From: redhat-list@redhat.com
Reply-To: redhat-list@redhat.com

Looks like some really bad news and some not so bad news.

On Fri, 25 Oct 1996, Rob Hamm wrote:
> >Mitchell Leben writes:
> >>
> >>Here is some of the message:
> >>Oct 24 23:41:42 spock kernel: hda: read_intr: status=0x59 { DriveReady SeekComp
> >lete DataRequest Error }
> >>Oct 24 23:41:42 spock kernel: hda: read_intr: error=0x40 { UncorrectableError }
> >, LBAsect=3051439, sector=1753135
> >
> >Yes.  Back up everything you care about *now*.  Do not turn the machine
> >off first; that may accelerate failure.  Every time I've heard of this,
> >it's been the prelude (sometimes quickly) to total drive failure.
> >Linux gurus have said the same; in particular, Ted Ts'o, who wrote
> >e2fsck, has had to deal with this question often, and says that it's
> >always a sign that the drive is about to die; he's had it happen to
> >himself.

The above is the doomsday analysis. If I go with this it means the drive 
is history, backup now and ship if off with an RMA. Obviously, not 
exactly what I would WISH for. It seems the WD 1.6G do have a bit of bad 
history though.

> 
> hmmm... having been in the EXACT same case twice now, I don't think
> the drive has gone bad. I'd bet the partition table has been corrupted.
> Both times this has happened to me was on (different) WD drives (1.08 
> and 1.2GB) and both times I lost my system (can you say copy down
> your partition table onto paper???)
> 
> Michael is right, get everything you want off the drive now (doubt
> you can) and if that fails, you might try to rest the partition 
> table from memory (good luck... if you're close you can get hda1
> back but nothing else)
> 
> then start over with a new fresh install.
> 

Hmm, this sounds like there is hope! One question though, what exactly is 
the "partition table?" Is this the info from /etc/fstab, the bios info on 
the drive, what? I suppose I should fire up fdisk and take a look.

>{snip} 
> As an aside, what is the recommended method to copy one system to a
> new disk?
> 

Excellent question!! Anyone?

Also, if the drive proves to be OK and I reinstall, what are some 
thoughts on what to install? By this I mean (of course), what RedHat 
release. I have been running 3.0.3 and am quite happy with it. The 
machine serves as a mail server, ftp server, smb and nfs server for mounted 
/homes. I do have 4.0 on one machine, but what is the benefit? I am more 
concerned about stability than small speed increases or gizmos.

Thanks to all. I mostly need to find out if the drive is toast.

-Mitch

----------------------------
Mitchell Leben
mitch@smithphoto.com
http://snappy.smithphoto.com/~mitch
----------------------------


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