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Tuesday 17 January 2012

Paging Space Handling in IBM AIX and Hp_UNIX

Paging Space in IBM AIX: Recorded at "/etc/swapspace" file

# lsps -a : List the available paging space.

# lsps -s : Summary about the paging space.

# mkps -a -n -s <No.of PP's> <Volume_Group_Name> <Physical_Volume_Name> : Command to create a Paging Space.

# swapon <paging_device> : Activate a paging space.

# swapoff /dev/<paging_device> : Deactivate a paging space.

# rmps <paging_device> : Remove a paging device.

# chps -a y/n : Enable/Disable Auto on feature of the paging device.

# chps -d <PP Count> <paging_space> : Decrease the size of the paging device.

# chps -s <PP Count> <paging_space> : Increase the size of the paging device

Swap Space in Hp_Unix: Recorded in "/etc/fstab"

# swapinfo -dtm : Command to list the swap space on the machine.

# lvcreate -L <Size of Swap> -n <Swap_Name> -C y <Volume_Group_Name> : Command to create a swap space. -C refer to continous logical space.

# swapon /dev/volume_group_name/swap_space_name



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