Resize LVM -Centos

Posted on January 18, 2010, 8:22 am, by Dhaval Thakar.

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

LVM Resize root partition -Centos | LinuxReaders says:

August 18, 2010 at 10:27 am

[...] 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. [...]

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