Installing A New Hard drive

For JFS you will need yum -y install jfsutils.i386

What drive are there?
/sbin/fdisk -l

First Partition the Drive
/sbin/fdisk /dev/sdd
 * Use n to create the partition.
 * Use w to Write the partition.

Format the Drive
To format the drive with the lable of '/mythtv' as jfs run /sbin/mkfs.jfs -L /mythtv1 /dev/sdd

Reference

 * http://tldp.org/HOWTO/html_single/Partition/