Want to get an alert when hard drive in server is going bad
A tool called SMARTD is available in lInux which is free
You need to use below steps to install and configure it
#yum install smartmontools
#service smartd start
#chkconfig smartd on
#smartctl -a /dev/sda
Now Open smartd config file and add the entry as mentioned
vi /etc/smartd.conf
DEVICESCAN -a -o on -S on -n standby,q -s (S/../.././02|L/../../6/03) -W 4,35,40 -m emaild
Now you should get an alert for any error if any from SMARTD