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Date:      Mon, 13 Jul 1998 11:45:21 +0200
From:      Palle Girgensohn <girgen@partitur.se>
To:        freebsd-questions@FreeBSD.ORG
Subject:   fsck: disk sectors could not be read
Message-ID:  <35A9D731.5E943C2F@partitur.se>

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Hi,

Last night, my /etc/daily suid scan reported

find: /usr/home/jens/blablabla: Input/output error

for about 20 files

The dmesg message shows a bunch of rows like this one:

> <rdy,seekdone,drq,err> error 40<uncorr>
> wd0s2f: hard error reading fsbn 721259 of 721248-721263 (wd0s2 bn 1212779; cn 150 tn 50 sn 29)wd0: status 59<rdy,seekdone,drq,err> error 40<uncorr>


> fsck /usr    gives this:
...
CANNOT READ: BLK 721184
...
THE FOLLOWING DISK SECTORS COULD NOT BE READ: 721259, 721260,
NAME=/home/jens/blablabla

REMOVE? [yn] y

...

FREE BLK COUNT(S) WRONG IN SUPERBLK
SALVAGE? [yn] y

BLK(S) MISSING IN BIT MAPS
SALVAGE? [yn] y

SUMMARY INFORMATION BAD
SALVAGE? [yn] y

...

A few files had to removed like this, but they're all on tape, so that's
OK. My problem is that I want to map out theese blocks. How is this
done? Also, is the disk about to crash? Shall I be concerned and rush to
get a new one, or can I sleep o' night?  ;-)

TIA

Palle

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