Here We are sharing guide to resize LVM size.
create new partition (partition id should be 8e Linux LVM)
ADD PHYSICAL VOLUME
pvcreate /dev/new_partition
Verify new physical volume
pvdisplay
Or
pvscan
Extend existing VOLUME GROUP
vgextend VolGroup00 /dev/xvda3
make sure vg free size is = new partition size using vgdisplay command
Extend existing LVM by adding new partition
lvextend /dev/VolGroup00/LogVol00 /dev/xvda3
make sure lv size is increased, use lvdisplay
RESIZE FILE SYSTEM
umount /dev/VolGroup00/LogVol00
fsck -f /dev/VolGroup00/LogVol00
resize2fs /dev/VolGroup00/LogVol00
One Comments
[...] This is more of Resize LVM I have tested this on CentOS 5.5. Since this is root partition modification, I’ll recommend to keep config backup before proceeding. [...]