rc.check_zfs_degraded

#!/bin/sh
#
# Checks status of ZPool and notifies if there are any issues.
# Written by Scott Ullrich Sep 27 2009
#

# Check to see if anything is degraded
DEGRADED=`zpool status | grep -v grep | grep -i DEGRADED | wc -l`
# Check to see if anything is UNAVAILABLE

UNAVAIL=`zpool status | grep -v grep | grep -i UNAVAIL | wc -l`

# zpool command
ZPOOL_STATUS=`date ; zpool status`

# Email address to send to
EMAIL=""

# Second email address to send to (pager)
EMAILTWO=""

# Subject of email
SUBJECT="[URGENT] ZPOOL Degraded.  Immediate attention required! `date`"

# Pager notified toggle
PAGERNOTIFIED="/tmp/pager_notified"

# IF UNAVAIL is above 0 then set DEGRADED to 1
if [ "$UNAVAIL" -gt 0 ]; then
	DEGRADED="1"
fi

# Finally if DEGRADED is above 0 then email
if [ "$DEGRADED" -gt 0 ]; then
	if [ ! -f "PAGERNOTIFIED" ]; then
		echo "$ZPOOL_STATUS" | mailx -s "$SUBJECT" "$EMAIL"
		echo "$ZPOOL_STATUS" | mailx -s "$SUBJECT" "$EMAILTWO"
		echo textsent > $PAGERNOTIFIED
	else
	fi
else 
	# Do not spam.
	rm -f $PAGERNOTIFIED
fi