Extend lvm partition online in Linux

| March 20, 2011

RHEL 3

pvcreate /dev/sdb
pvscan
vgextend VolGroup00 /dev/sdb
lvextend -L+50G /dev/VolGroup00/LogVol00
unmount /dev/VolGroup00/LogVol00
resize2fs /dev/VolGroup00/LogVol00

RHEL 4 or above

pvcreate /dev/sdb
pvscan
vgextend VolGroup00 /dev/sdb
lvextend -L+50G /dev/VolGroup00/LogVol00
#No need to unmount can do online
ext2online /dev/mapper/vgdev-app

=============================================================================

# lvextend -L+10G /dev/mapper/vgdev-appl
Extending logical volume appl to 10.00 GB
Logical volume appl successfully resized

#ext2online /dev/mapper/vgdev-appl

Or

# lvextend -L+10G /dev/vg01/lvol2
Extending logical volume lvol2 to 21.72 GB
Logical volume lvol2 successfully resized

#:/root# ext2online /dev/vg01/lvol2
ext2online v1.1.18 – 2001/03/18 for EXT2FS 0.5b
#

Tags:

Category: Linux Administration

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