Logical Volume Manager (LVM) Commands for AIX

GlossaryTerm Definition
Journaled File System (JFS) File system that uses a journaled log for faster, more reliable data recovery
Logical Partition (LP) The LV is made up of LPs. The LP corresponds to 1 or more (in the case of mirroring) PPs.
Logical Volume (LV) The VG is subdivided into logical volumes and each LV can have a file system on it.
Physical Partition (PP) All physical volumes are subdivided into pps. PPs are all the same size.
Physical Volume (PV) Disk that is being managed by LVM.
Rootvg Default volume group created during installation. The vg holds the OS filesystems ( /,/usr, /home, /proc /opt, /tmp, /var and swap space )
Volume Group (VG) Area of storage that consists of one or more PVs