The multpath is useful when multiple LUNS or HDD attached to the server, so that server can discover it and mount it as per our requirement. We can install and enable the multipathing on linux server using the following simple steps.
yum install device-mapper-multipath*
chkconfig multipathd on
mpathconf –enable –with_multipathd y
mpathconf –enable –user_friendly_names y –find_multipaths y
Make sure that you have logged in as a root user else you won’t be able to run the above commands.