How to Add I New disk To LVM
Suppose the Disk is /dev/sdb, the second scsi disk,
create as many partitions as you need using command n
Label them with command “t” as “8e” for making it Linux LVM
Write and Exit with the command w.
Format the partitions you require using mkfs command
mkfs -t ext3 -c /dev/sdb1
vgextend VolGroup00 /dev/sdb1
lvextend -L 15G /dev/VolGroup00/LogVol01 ;for extending LogVol to 15GB
For online Resize of the Partion.
resize2fs /dev/VolGroup00/LogVol01 ;
Thats it finished