Date: Tue, 27 Feb 1996 00:06:09 -0500 (EST) From: Brian Tao <taob@io.org> To: FREEBSD-HACKERS-L <freebsd-hackers@freebsd.org> Subject: SCSI error code 83 and 84, medium errors Message-ID: <Pine.BSF.3.91.960226232956.3793F-100000@zip.io.org>
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I just started getting these kernel messages today on my 2.1.0R
news server. They appear in bunches of five, with the "retries"
counter starting at 4, counting down to 1 and ending with "FAILURE".
sd8(ncr2:2:0): error code 83
sd8(ncr2:2:0): error code 84
sd8(ncr2:2:0): MEDIUM ERROR info:1af3b csi:73,0,31,0 asc:68,0
sd8(ncr2:2:0): MEDIUM ERROR info:1af3b asc:11,0 Unrecovered read error field replaceable unit: 2
sd8(ncr2:2:0): MEDIUM ERROR info:1af3b asc:14,1 Record not found field replaceable unit: 2
Output of 'scsi -f /dev/sd8 -P 0 -m 1':
AWRE (Auto Write Reallocation Enbld): 0
ARRE (Auto Read Reallocation Enbld): 0
TB (Transfer Block): 0
RC (Read Continuous): 0
EER (Enable Early Recovery): 0
PER (Post Error): 0
DTE (Disable Transfer on Error): 0
DCR (Disable Correction): 0
Read Retry Count: 32
Correction Span: 22
Head Offset Count: 0
Data Strobe Offset Count: 0
Write Retry Count: 32
Recovery Time Limit: 65535
I turned on AWRE and ARRE, but the problem persisted. It seems to
have gone away after a newfs (I tested it by dd'ing /dev/zero to a
file on that partition, filling it up, then reading the file back in).
The disk is a Seagate Medallist 1GB SCSI-2 drive, the last drive on
the third NCR53c810 controller. Is there anything I should be
worried about now?
ncr2 <ncr 53c810 scsi> rev 2 int a irq 11 on pci0:12
ncr2 waiting for scsi devices to settle
(ncr2:0:0): "Quantum XP32150 81HB" type 0 fixed SCSI 2
sd6(ncr2:0:0): Direct-Access
sd6(ncr2:0:0): FAST SCSI-2 100ns (10 Mb/sec) offset 8.
2050MB (4199760 512 byte sectors)
sd6(ncr2:0:0): with 3907 cyls, 10 heads, and an average 107 sectors/track
(ncr2:1:0): "Quantum XP32150 81HB" type 0 fixed SCSI 2
sd7(ncr2:1:0): Direct-Access
sd7(ncr2:1:0): FAST SCSI-2 100ns (10 Mb/sec) offset 8.
2050MB (4199760 512 byte sectors)
sd7(ncr2:1:0): with 3907 cyls, 10 heads, and an average 107 sectors/track
(ncr2:2:0): "SEAGATE ST51080N 0913" type 0 fixed SCSI 2
sd8(ncr2:2:0): Direct-Access
sd8(ncr2:2:0): FAST SCSI-2 100ns (10 Mb/sec) offset 8.
1030MB (2109840 512 byte sectors)
sd8(ncr2:2:0): with 4826 cyls, 4 heads, and an average 109 sectors/track
--
Brian Tao (BT300, taob@io.org)
Systems Administrator, Internex Online Inc.
"Though this be madness, yet there is method in't"
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