AIX - Memory/Swap

Commands

Memory

Display total memory:

bootinfo -r

Display system memory:

lsattr -El mem0

Paging Space (Swap)

Display current amount of paging space available:

lsps -a

Display total paging space:

lsps -s

Delete paging space:

rmps {ps}

Increase PS size:

chps -s {pp-count} {ps}
# Ex: chps -s 10 hd6 -> Increase of 10 pp

Decrease PS size:

chps -d {pp-count} {ps}
# Ex: chps -d 10 hd6 -> Decrease of 10 pp

Procedures

Increase/Decrease paging space:

# Display paging space logical partition info
lsps -a

# Determine the size of a logical partition
lslv {ps}
# Ex: lslv hd6 -> pp size: 128 mb

# Increase PS:
chps -s {pp-count} {ps}
# Ex: chps -s 10 hd6 -> Increase of 10 pp of 128 mb

# Increase PS:
chps -d {pp-count} {ps}
# Ex: chps -s 10 hd6 -> Decrease of 10 pp of 128 mb