Date: Sun, 06 Mar 2011 01:00:39 +0900 From: Stephane LAPIE <stephane.lapie@darkbsd.org> To: freebsd-scsi@freebsd.org Subject: Methods for collecting/managing SCSI/CAM/ATA error events Message-ID: <4D725E27.7030803@darkbsd.org>
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Hello list,
I just wanted to know if anyone knew of a proper method for handling
SCSI events, such as a device reset, device not ready, illegal request,
etc...
(da0:isp0:0:0:0): READ CAPACITY(10). CDB: 25 0 0 0 0 0 0 0 0 0
(da0:isp0:0:0:0): CAM status: SCSI Status Error
(da0:isp0:0:0:0): SCSI status: Check Condition
(da0:isp0:0:0:0): SCSI sense: UNIT ATTENTION asc:29,0 (Power on, reset,
or bus device reset occurred)
Same for ATA events :
acd0: FAILURE - ATA_IDENTIFY status=3D41<READY,ERROR> error=3D4<ABORTED> =
LBA=3D0
These are printed out as kernel messages, and visible on the console and
in /var/log/messages, but keeping a running process tail-ing the log
file seems sub-optimal (especially in the event the storage device
holding the log dies), when compared to ZFS events which are handled via
devd in the following fashion :
notify 10 {
match "system" "ZFS";
match "type" "data";
action "logger -p kern.warn 'ZFS: zpool I/O failure, zpool=3D$pool
error=3D$zio_err'";
};
Is there any similar subsystem for SCSI/CAM/etc... ?
Thanks in advance.
--=20
Stephane LAPIE, EPITA SRS, Promo 2005
"Even when they have digital readouts, I can't understand them."
--MegaTokyo
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