Path: utzoo!utgpu!water!watmath!clyde!att!pacbell!lll-tis!helios.ee.lbl.gov!pasteur!ucbvax!caesar.cs.mtsu.EDU!icsu6000
From: icsu6000@caesar.cs.mtsu.EDU (Mathisen)
Newsgroups: comp.sys.apollo
Subject: (none)
Message-ID: <8806020605.AA20158@caesar.cs.mtsu.edu>
Date: 2 Jun 88 06:05:56 GMT
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Organization: The Internet
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From MAILER-DAEMON Tue May 31 18:48:02 1988
Date: Sat, 28 May 88 18:33:15 mdt
From: MAILER-DAEMON (Mail Delivery Subsystem)
Subject: Returned mail: Cannot send message for 3 days
To: icsu6000
Status: R

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Date: Sat, 28 May 88 18:33:15 mdt
From: icsu6000 (Mathisen)
To: apollo@umix.cc.umich.edu
Subject: DN330 Disk Prob's


  I have a 67 Meg disk hanging off of a DN330.  I come in to work the other 
morning, did backup, and right after backup the node crashed and wouldn't
reboot.  After messing around with it for a while, I decided to invol the
disk, and restore from the backup.  During the invol, it kept on coming
up with errors such as "can't read daddr XXXX" , "can't write daddr XXXX", 
and so on.  So I hop into fbs, let it run a couple of passes, and lo and
behold, my physical bad spot list goes from 2 to 1490.  However, the last
4 passes out of ten didn't find any errors, so I figured the problem is
fixed.  Invol the disk, which works fine (no errors), restore the backup,
(no errors, works fine), patch up the registry, and BOOM about an hour later,
it's down again.  Go back to fbs on a hunch, and lo it finds ~900 more bad
sectors.  What the heck is going on here.  Did my disk buy the farm?? Did
the disk controller bite it ?? (BTW I have another 330 with a disk and
controller, can I hang the possible bad disk off of it, and see if it's the
controller??)  Any suggestions?? Ideas??  are there any utilities in the
sau directories that might help??  I am running 9.5.1 on the 330, and have
9.6 on a 660 that I could boot off of.

Thanx in advance for any help or advice.

-- Jaye Mathisen
mathisen.sys_admin.sys_org
icsu6000%mtsunix1.BITNET@cunyvm.cuny.edu
icsu6000%mtsunix1.BITNET

PS (Anybody got some 330's they want to sell (w/disks)  Montana State is
    buying!!)