5.3. Splitting a Volume Group
In this example, an existing volume group consists of three physical volumes. If there is enough unused space on the physical volumes, a new volume group can be created without adding new disks.
5.3.1. Determining Free Space
You can use the
pvscan command to determine how much free space is currently available in the volume group.
[[email protected] ~]#
PV /dev/sda1 VG myvg lvm2 [17.15 GB / 0 free]
PV /dev/sdb1 VG myvg lvm2 [17.15 GB / 12.15 GB free]
PV /dev/sdc1 VG myvg lvm2 [17.15 GB / 15.80 GB free]
Total: 3 [51.45 GB] / in use: 3 [51.45 GB] / in no VG: 0 [0 ]