remove physical volume from logical

1. add another disk to the system

2.   
pvcreate /dev/sdb1
vgextend /dev/VolGroup00 /dev/sdb1

3. pvmove /dev/sda4 /dev/sdb1

4. vgreduce /dev/VolGroup00 /dev/sda4


** REMEMBER TO ADD EXTENDED PARTITIONS to the system not to have to go through this again YOU ASS