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From: #D14@DDATHD21.BITNET
Newsgroups: mod.computers.vax
Subject: Bitmap problem
Message-ID: <8511281116.AA17039@ucbvax.berkeley.edu>
Date: Thu, 28-Nov-85 06:16:53 EST
Article-I.D.: ucbvax.8511281116.AA17039
Posted: Thu Nov 28 06:16:53 1985
Date-Received: Thu, 28-Nov-85 20:46:50 EST
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: The ARPA Internet
Lines: 25
Approved: info-vax@sri-kl.arpa

Hi Daniel,

I've tried to send a direct my to you but your FROM field
doesn't contain a valid arpa address that is know at
WISCVM.WISC.EDU. I've tried four different address but there
was no success.

I've had a bitmap problem some time ago. I think V3.7 was running.
A defective block (parity error or fatal controller error or
something like these) in the bitmap write locked the disk.
The field service said they have to update the bad block file.
But their EV??? utility reformatted the whole tracks. So a lot
of blocks of the bitmap have been destroyed. I had to run
    DEFINE SYS$OUTPUT OUT.LOG /USER
    DEFINE SYS$ERROR  ERR.LOG /USER
    ANALYZE /DISK /REPAIR RP07:
to fix the write lock. The output is to be directed to a file
because thousends of error message are produced.
So do you have had some device errors after changing HDA ?
What has the field service done after restoring the disk ?

With kind regards

   Reinhard Goeth @ Technical University Darmstadt, W.Germany, Europe
   (Beware of the number-sign. It's part of my userid !!!)