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Date:      Tue, 28 Nov 2006 23:15:33 -0500
From:      "Grant Peel" <gpeel@thenetnow.com>
To:        <freebsd-questions@freebsd.org>
Subject:   CAM Status SCSI Error
Message-ID:  <009401c7136d$0417a550$6501a8c0@GRANT>

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Hi all,

Server crashed.

/var/log/messages shows this started Tues Afternoon:

.....
Nov 27 23:20:40 defiant kernel: (da0:ahc0:0:0:0): Retries Exhausted
Nov 27 23:20:40 defiant kernel: =
g_vfs_done():da0s1f[READ(offset=3D48365768704, length=3D2048)]error =3D =
5
Nov 27 23:25:54 defiant proftpd[863]: defiant.thenetnow.com - =
MaxInstances (30) reached, new connection denied
Nov 27 23:25:55 defiant last message repeated 35 times
Nov 27 23:26:21 defiant kernel: (da0:ahc0:0:0:0): READ(10). CDB: 28 0 7 =
61 69 c7 0 0 4 0
Nov 27 23:26:21 defiant kernel: (da0:ahc0:0:0:0): CAM Status: SCSI =
Status Error
Nov 27 23:26:21 defiant kernel: (da0:ahc0:0:0:0): SCSI Status: Check =
Condition
Nov 27 23:26:21 defiant kernel: (da0:ahc0:0:0:0): MEDIUM ERROR =
info:76169c9 asc:11,0
Nov 27 23:26:21 defiant kernel: (da0:ahc0:0:0:0): Unrecovered read error =
field replaceable unit: e4 actual retry count: 142
....

Could not get anywhere with fsck. Kept Saying 'rerun fsck manually' =
which I did.

Got the thing up anmd running using the SCSI verify media Utility in the =
bios. showned one error when it ran, maked the block as bad.

fsck shows all f/s clean now.

LOts of verbage found on google, but nothing that explained anything =
well.

Disk is about 2 years old, not under heavy load.FreeBSD 6.1

Should I replace?  (Seagate Cheetah SCSI 3 73 GIG).

or is this 'normal' once in a while?

-Grant



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