Date: Sat, 14 Aug 1999 22:14:29 +1200 From: "Dan Langille" <dan@freebsddiary.org> To: freebsd-questions@freebsd.org Subject: are these drives dead? Message-ID: <199908141014.WAA35122@ducky.nz.freebsd.org>
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e been doing some testing of some old scsi drives. I getting some
errors. How serious are these errors and what can I do about them?
the rawio program is courtesy of Greg Lehey.
# rawio -a /dev/rda2s1e
Random read Sequential read Random write Sequential write
ID K/sec /sec K/sec /sec K/sec /sec K/sec /sec
anon Child 2 Bad read at 1050112000: 0 of 13824 bytes
820.1 51 2662.8 163 Child 4 Bad write at 1050112000: 0 of 512
bytes
836.9 52 1233.5 75
# rawio -a /dev/rda2s1e
Random read Sequential read Random write Sequential write
ID K/sec /sec K/sec /sec K/sec /sec K/sec /sec
anon Child 2 Bad read at 1050112000: 0 of 13824 bytes
820.1 51 2662.8 163 Child 4 Bad write at 1050112000: 0 of 512
bytes
836.9 52 1233.5 75
# rawio -a /dev/rda2s1e
Random read Sequential read Random write Sequential write
ID K/sec /sec K/sec /sec K/sec /sec K/sec /sec
anon 841.3 52 2662.2 162 836.3 52 1324.8 81
# rawio -a /dev/rda2s1e
Random read Sequential read Random write Sequential write
ID K/sec /sec K/sec /sec K/sec /sec K/sec /sec
anon Child 5 Bad read at 1050112000: 0 of 22016 bytes
Child 4 Bad read at 1050115072: (null) (671939448), iocount 22
833.8 51 2890.9 176 Child 7 Bad write at 1050127360: (null)
(671939448)
Child 4 Bad write at 1050125312: (null) (671939448)
819.1 51 1324.3 81
# rawio -a /dev/rda2s1e
Random read Sequential read Random write Sequential write
ID K/sec /sec K/sec /sec K/sec /sec K/sec /sec
anon 841.9 52 3378.4 206 834.9 51 1324.2 81
# rawio -a /dev/rda2s1e
Random read Sequential read Random write Sequential write
ID K/sec /sec K/sec /sec K/sec /sec K/sec /sec
anon 843.1 52 3082.7 188 827.2 52 1155.2 71
# rawio -a /dev/rda2s1e
Random read Sequential read Random write Sequential write
ID K/sec /sec K/sec /sec K/sec /sec K/sec /sec
anon 840.6 52 3427.4 209 836.9 52 1260.8 77
# rawio -a /dev/rda2s1e
Random read Sequential read Random write Sequential write
ID K/sec /sec K/sec /sec K/sec /sec K/sec /sec
anon 839.9 52 3115.3 190 841.7 52 1325.7 81
--
Dan Langille - DVL Software Limited
The FreeBSD Diary - http://www.FreeBSDDiary.org/freebsd/
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