1 # NagCollect -- Nagios Data Collector for Passive Checks
2 # Copyright (c)2010-2011 Alexander Barton, alex@barton.de
4 # Check disks for I/O errors
8 offset=`LC_ALL=C grep -b "BOOT_TIME:" /var/log/system.log \
9 | tail -n 1 | cut -d':' -f1`
10 [ -n "$offset" ] || offset=`LC_ALL=C grep -b -- --NagiosReset-- \
11 /var/log/system.log | tail -n 1 | cut -d':' -f1`
12 if [ -n "$offset" ]; then
13 # reboot detected in system.log
14 error=`LC_ALL=C tail -c "+$offset" /var/log/system.log \
15 | grep -i "I/O" | grep -i error | grep -v nagcollect \
16 | grep -v "com.apple.mdworker.pool" \
17 | grep -v "encoder error" \
20 # no reboot detected in system.log
21 error=`LC_ALL=C grep -i "I/O" /var/log/system.log \
22 | grep -i error | grep -v nagcollect | tail -n 1`
24 if [ -n "$error" ]; then
25 msg=`echo $error | cut -d' ' -f6-`
30 TEXT="OK - No I/O errors detected."