LVM
AIX LVM
Parameters for creating and modifying logical volumes
Work in progress...
Differences in LVM parameters between current AIX versions
Only VG/LV commands are covered here.
mkvg
7.1
[-O {y/n}]6.1/7.1
[-M {y/s}] [-X {none/SSD}]5.3
[-B] [-G] [-f] [-C | -c] [-i] [-s PPsize][-n] [-t factor] [-V MajorNumber] [-L LTGsize] [-I][-S [-v LogicalVolumes] [-P Partitions]] [-y VGname] PVname...chvg
7.1
[-O {y/n}]6.1/7.1
[-M {y/s}] [-X {none/SSD}]5.3
[-a Auto on] [-Q quorum] [-u] [-C | -c | -l] [-x] [-t [factor]][ -B | -G ] [-S | -R] [-L LTGsize] [-P maxpps per vg ] [-v maxlvs][-h hotspare] [-s sync] [-g] [-b BadBlocks] [-I] VGname...mklv
7.1
[-O InfiniteRetry]6.1/7.1
[-f] [-w MWC] [-G groupid] [-P modes] [-U userid] [-p copyN=MirrorPool]5.3
[-a IntraPolicy] [-b BadBlocks] [-c Copies][-d Schedule] [-e InterPolicy] [-i] [-L Label] [-m MapFile][-r Relocate] [-s Strict][-t Type] [-u UpperBound][-v Verify] [-x MaxLPs] [-y LVname] [-S StripeSize] [-Y Prefix][-o Overlapping IO] [-C StripeWidth] [-T IOoption] VGname NumberOfLPs [PVname...]chlv
7.1
[-O InfiniteRetry]6.1/7.1
[-m copyN=MirrorPool] [-M] 5.3
-n NewLVname LVname[-a IntraPolicy] [-e InterPolicy] [-L Label] [-u UpperBound][-s Strict] [-b BadBlocks] [-d Schedule] [-p Permission][-r Relocate] [-t Type] [-v Verify] [-x MaxLPs] [-T { O | F }][-o Overlapping IO] [-U Userid] [-G Groupid] [-P Modes][-w MirrorWriteConsistency] LVname...AIX and LVM2 cross-reference
Parentheses mean there is no dedicated command for the given operation in the respective LVM implementation.
LVM2 specific commands
pvck
vgck
pvcreate, pvremove - AIX determines VG membership/PV status based on metadata areas on the disks and/or in ODM
vgmerge, vgsplit - there is no equivalent of these operations under AIX, you just do reducevg/mkvg -f
vgconvert
vgcfgbackup, vgcfgrestore - AIX LVM doesn't contain metadata backup tools, but you can dump the VGDA with readvgda or dd
vgmknodes
AIX LVM specific commands
cfgmgr, rmdev - AIX uses static device nodes and runs hardware detection either during boot or via cfgmgr
mkps, chps, lsps, rmps - paging space LV management special commands
low-level commands (readvgda, lquery*, getlvcb...).