Online expanding of a VMWare linux server LVM Volume

Add the hard drive to the running VM.

dmesg (figure out what the device name is for the new device like /dev/sdf)

parted /dev/sdf

mklabel msdos (inside parted)

quit (inside parted)

pvcreate /dev/sdf

vgextend VolGroup00 /dev/sdf

lvextend /dev/mapper/VolGroup00-LogVol00 /dev/sdf

resize2fs /dev/mapper/VolGroup00-LogVol00