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AIX DISK SETUPS

Mirror other disks:
	
  repeat for each disk and group
  {
	#mklvcopy volgroup 2 disk
	           hd5       hdisk1

	#syncvg -l volgroup
	           hd5
  }

	#chdev -l hdisk# -a -pv=yes       #give a physical disk a PV number
	#lsdev -C -c disk                 #list known physical drives
	#lspv                             #list them with volgroup
	#mkvg -s 8 -f -y vg10 hdisk10 hdisk11  #make vg with disks
	#extendvg -f rootvg hdisk8        #add disk to vg
	#reducevg rootvg hdisk8           #remove disk from vg
	#reducevg -df catvg hdisk2 hdisk3 hdisk4 # remove a vg and its disks
	#ls /etc/vg                       #see what UIDs for vgs
	#lsvg                             #see vg names
	#lsvg -p rootvg                   #see chars of rootvg

	#varyonvg rootvg                  #turn on a vg
	#varyoffvg rootvg                 #turn off a vg
	#chpv -vr pvname	              #remove pvname disk from volgrp
	#chpv -va pvname	              #replace disk in volgrp

	#extendlv u01lv 20                #add 20 PP/LP to u01lv

	exportvg/importvg	              #move or resync a volgrp

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MIRROR rootvg ON AIX 4.X

ASSUME: hdisk0 is original bootable system disk, hdisk1 is mirror

Add the second drive to rootvg
	
	#extendvg rootvg hdisk1

Mirror all the root logical volumes onto the second
hdisk including hd5 and paging.

	#mklvcopy xx 2 hdisk1

	2nd	log	hd8
	3rd	tmp	hd3
	4th	var	hd9var
	5th	page	hd6
	6th	usr	hd2
	7th	/	hd4

Sync the rootvg

	#syncvg -v rootvg

Make the second drive bootable

	#bosboot -a
	#bootlist -m normal hdisk0 hdisk1

Remove the first copy

	#rmlvcopy hd# 1 hdisk0

Resync so hdisk0 is like hdisk1 layout

	#syncvg -v rootvg

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AIX LVM commands

chlv(1)	- Changes only the characteristics of a logical volume.
cplv(1)	- Copies the contents of a logical volume to a new logical volume.
extendlv(1)	- Increases the size of a logical volume by adding unallocated physical partitions from within the volume group.
fdflag(1)	- Resolves text and graphic links within a database.
fdxtrn(1)	- Resolves cross-database links within a library.
lslv(1)	- Displays information about a logical volume.
lvm_changelv(3)	- Changes the attributes of a logical volume.
lvm_changepv(3)	- Changes the attributes of a physical volume in a volume group.
lvm_createlv(3)	- Creates an empty logical volume in a specified volume group.
lvm_createvg(3)	- Creates a new volume group and installs the first physical volume.
lvm_deletelv(3)	- Deletes a logical volume from its volume group.
lvm_deletepv(3)	- Deletes a physical volume from a volume group.
lvm_extendlv(3)	- Extends a logical volume by a specified number of partitions.
lvm_installpv(3)	- Installs a physical volume into a volume group.
lvm_migratepp(3)	- Moves a physical partition to a specified physical volume.
lvm_querypv(3)	- Queries a physical volume and returns all pertinent information.
lvm_queryvg(3)	- Queries a volume group and returns pertinent information.
lvm_queryvgs(3)	- Queries volume groups and returns information to online volume groups.
lvm_reducelv(3)	- Reduces the size of a logical volume by a specified number of partitions.
lvm_resynclp(3)	- Synchronizes all physical partitions for a logical partition.
lvm_resynclv(3)	- Synchronizes all physical copies of all of the logical partitions for a logical volume.
lvm_resyncpv(3)	- Synchronizes all physical partitions on a physical volume with the related copies of the logical partition to which they correspond.
lvm_varyoffvg(3)	- Varies off a volume group.
lvm_varyonvg(3)	- Varies a volume group on-line.
mklv(1)	- Creates a logical volume.
mklvcopy(1)	- Provides copies of data within the logical volume.
rmlv(1)	- Removes logical volumes from a volume group.
rmlvcopy(1)	- Removes copies from a logical volume.
synclvodm(1)	- Synchronizes or rebuilds the logical volume control block, the device configuration database, and the volume group descriptor areas on the physical volumes.
xlvm(1)	- Starts Storage Manager, a Visual System Management (VSM) application.

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