1 # NagCollect -- Nagios Data Collector for Passive Checks
2 # Copyright (c)2010 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 if [ -n "$offset" ]; then
11 # reboot detected in system.log
12 error=`LC_ALL=C tail -c "+$offset" /var/log/system.log \
13 | grep -i "I/O" | grep -i error | grep -v nagcollect | tail -n 1`
15 # no reboot detected in system.log
16 error=`LC_ALL=C grep -i "I/O" /var/log/system.log \
17 | grep -i error | grep -v nagcollect | tail -n 1`
19 if [ -n "$error" ]; then
20 msg=`echo $error | cut -d' ' -f6-`
25 TEXT="OK - No I/O errors detected."