docs:linux:lvm

Physical devices

Description	Command
Initialize a physical device	pvcreate /dev/sdb

Volumes groups

Description	Command
Create a volume group	vgcreate data /dev/sdb
Extend a volume group	vgextend data /dev/sdc

Logical volumes

Description	Command
Create a Logical Volume	lvcreate -L 5G -n home data
Extend a Logical Volume	lvextend -L +50G /dev/[group]/[vol]

EXT3 Extend

umount /dev/[group]/[vol]
e2fsck -f /dev/[group]/[vol]
resize2fs /dev/[group]/[vol]
mount [mountpoint]

XFS Extend

lvextend -L [+SizeToAdd] /dev/[group]/[vol]
xfs_growfs [mount_point]

XFS Snapshot

lvcreate -s -L 1M -n home-snap-YYYYMMDD /dev/data/home
xfs_admin -U generate /dev/data/home (need to try mount -o nouuid instead)

ReiserFS Extend

resize_reiserfs -s[+SizeToAdd] /dev/[group]/[vol]