I/O errors

From: Geert Jan Bex <gjb_at_luc.ac.be>
Date: Mon, 17 Feb 1997 14:25:18 +0100

Dear,

Since some time I get I/O errors on a Digital Alpha/AXP 600/266 station. It
started with a crash due to a read error on the rz0. Later these errors
occured also on other SCSI devices such as a DAT and an external harddisk
connected to the system. It's only now that I've been able to bring the
system down completely due to a crash (this is a compute server, people are
counting on it).

Below are some entries from the log files related to the problem:
Jan 16 10:21:33 salma vmunix: Hard Error Detected
Jan 16 10:21:33 salma vmunix: DEC RZ28M
Jan 16 10:21:33 salma vmunix: Active CCB at time of error
Jan 16 10:21:33 salma vmunix: CCB request completed with an error
Jan 16 10:21:33 salma vmunix: Error, exception, or abnormal condition
Jan 16 10:21:33 salma vmunix: MEDIUM ERROR - Nonrecoverable medium error
This was on rz0:
Jan 16 10:21:31 salma vmunix: rz0 at scsi0 bus 0 target 0 lun 0 (DEC
RZ28M
  (C) DEC 0466)

This is the error generating todays crash:
Feb 17 11:42:11 salma vmunix: advfs I/O error: setId
0x31c83d14.000d5430.1.8001
 tag 0x00004022.8001u page 5
Feb 17 11:42:11 salma vmunix: vd 1 blk 1889008 blkCnt 128
Feb 17 11:42:11 salma vmunix: read error = 5
Feb 17 11:42:12 salma vmunix: advfs I/O error: setId
0x31c83d14.000d5430.1.8001
 tag 0x00004022.8001u page 13
Feb 17 11:42:12 salma vmunix: vd 1 blk 1889136 blkCnt 128
Feb 17 11:42:12 salma vmunix: read error = 5

Below are console messages generated while doing a vdump on DAT (external):
vdump: unable to read file
<./roger/spock/server/Physics:2F19:2F4:2F:2F96/ElasticPendulum/ElasticPendulum.m
a>; [5] I/O error
vdump: unable to write to device </dev/rmt0h>; [5] I/O error
: do you want to retry? n

On the partition the problems occured first ADVFS has been installed.

I would be grateful if someone could point me in the right direction:
hardware/software...

Many thanks in advance,


                                            -gjb-
                                   http://www.luc.ac.be/~gjb/
                            PGP public key: finger gjb_at_alpha.luc.ac.be
Received on Mon Feb 17 1997 - 15:14:00 NZDT

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