# reboot detected in system.log
error=`LC_ALL=C tail -c "+$offset" /var/log/system.log \
| grep -i "I/O" | grep -i error | grep -v nagcollect \
# reboot detected in system.log
error=`LC_ALL=C tail -c "+$offset" /var/log/system.log \
| grep -i "I/O" | grep -i error | grep -v nagcollect \