Commands Reference, Volume 5

swapoff Command

Deactivates one or more paging spaces.

swapoff DeviceName { DeviceName ...}

The swapoff command deactivates one or more paging spaces. The paging spaces are specified by DeviceName. To be deactivated:

The paging space must have been previously activated through the swapon command.
There must exist enough space in the remaining paging spaces.

Value	Description
0	Deactivation is successful, the paging state is set to the INACTIVE state.
1	The following message displays: swapoff: Cannot deactivate paging space DeviceName
2	There is not enough space in the remaining paging spaces, the deactivation is not done and the following message displays: "swapoff: Cannot deactivate paging space DeviceName : There is not enough space in the file system."
3	An I/O error occurred on user pages of a paging space, the following message displays: swapoff: Deactivation of paging space DeviceName suspended: I/O errors encountered on user backing pages. The recommended action is: Check the error log. Deactivate the paging space for the next reboot using the chps command. Reboot the system.
4	An I/O error occurred on system pages of a paging space, the following message displays: swapoff: Deactivation of paging space DeviceName suspended: I/O errors encountered on system backing pages. The system may crash. The recommended action is: Check the error log. Deactivate the paging space for the next reboot using the chps command. Reboot the system.

The swapon command.

The Paging Space Overview in AIX 5L Version 5.2 System Management Concepts: Operating System and Devices.