*BSD News Article 98049


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From: Girish Chandangoudar <girish@smatnet.net>
Newsgroups: comp.unix.bsd.bsdi.misc
Subject: Media error message on BSDI 2.1
Date: Thu, 19 Jun 1997 07:51:33 -0400
Organization: Sprint Mid-Atlantic Operations
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Hello,

I am getting the following errors persistently:

Jun 14 11:42:25 server kernel: sd1: sn 11579498: media error:
unrecovered read error
Jun 14 11:42:25 server kernel: sd1: retry 1
Jun 14 11:42:31 server kernel: sd1: sn 11579840: media error:
unrecovered read error
Jun 14 11:42:31 server kernel: sd1: retry 1
Jun 14 11:42:32 server kernel: sd1: sn 11579861: media error:
unrecovered read error
Jun 14 11:42:32 server kernel: sd1: retry 2
Jun 14 11:42:32 server kernel: sd1: sn 11579854: media error:
unrecovered read error
Jun 14 11:42:33 server kernel: sd1: sn 15645896: media error:
unrecovered read error

sd1 is a 9GB seagate disk. The application reports a input/output error
and
quits. When this happens if I run "pwd" or "ls" commands at the
directory
which was reported to be in error, I get Input/output error. Sometimes,
the
problem seems to clear itself after a while as I can run "pwd" and "ls"
commands
and read and write to the files in that directory. I have to run fsck in
most of 
the cases to clear any disk problems.

Is this a disk problem or controller (Adaptec 2940) problem? I have
another disk
(2.1GB) and it does not seem to suffer from the same problem as this 9GB
disk which
is used heavily.

Thanks in advance.

Girish