From owner-freebsd-scsi@FreeBSD.ORG  Fri Feb 24 21:45:51 2006
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From: Jung-uk Kim <jkim@FreeBSD.org>
To: freebsd-scsi@FreeBSD.org
Date: Fri, 24 Feb 2006 16:45:34 -0500
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Subject: A tiny amr(4) monitoring tool
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This is a small amr(4) tool that I've been using for a while.  It was 
originally posted here:

http://docs.freebsd.org/cgi/mid.cgi?42345F33.8030101

I added few more features, e. g., battery status, physical drive 
status, etc.  Sorry but the source is not very clean (i. e., 
ENOTIME).

http://people.freebsd.org/~jkim/amrstat2.tar.gz

usage: amrstat [-a num] [-b] [-c ctlr|-f dev] [-g] [-l vol]
		[-p drive|-s bus[:target]] [-t usec] [-v]

	-a num		number of retries
	-b		battery status
	-c ctrl		controller ID
	-f dev		device path
	-g		print global parameters
	-l vol		logical volume ID
	-p drive	physical drive ID
	-s bus[:target]	SCSI bus (and optinal target)
	-t usec		sleep time between retries
	-v		verbose output

Example 1:
# amrstat
Logical volume 0	optimal (547.67 GB, RAID5)
Logical volume 1	optimal (547.67 GB, RAID5)
Physical drive 0:10	online
Physical drive 0:11	online
Physical drive 0:12	online
Physical drive 0:13	online
Physical drive 1:0	online
Physical drive 1:1	online
Physical drive 1:2	online
Physical drive 1:3	hotspare
Physical drive 1:4	online
Physical drive 1:5	online

Example 2:
# amrstat -b -l0 -s0
Battery status		not present, charge unknown
Logical volume 0	degraded (341.83 GB, RAID5)
Physical drive 0:0	online
Physical drive 0:1	online
Physical drive 0:2	rebuild
Physical drive 0:3	online
Physical drive 0:4	online
Physical drive 0:5	online

If other tools are too heavy for you, this may be a good alternative.

Cheers,

Jung-uk Kim