Changing a shared memory pool

You can view and change the shared memory pool configuration by using the Hardware Management Console (HMC). The Active Memory Sharing is not supported on Power10 processor-based systems.

To change a shared memory pool, complete the following steps:

1. In the navigation pane, click System resources.
2. Click Systems. In the work pane, click a system of your choice. The System settings page is displayed.
3. In the navigation pane, click Shared memory pools.
   The Create Shared Memory Pool wizard opens to the Welcome page. If the Shared Memory Pool already exists, the Modify Shared Memory Pool wizard opens.
4. Click Next.
5. In the General page, you can view and change the shared memory pool size. Click Next.
6. In the Paging VIOS page, you can associate one or more paging VIOS partition to the shared memory pool. Click Next.
7. In the Paging Space Device(s) page, the table lists the paging space devices that are currently assigned to the shared memory pool. Choose one of the following steps:
   1. To allocate more devices to the memory pool, click Select Devices.
   2. To remove a device from the memory pool, click Remove.
8. Click Next. The Summary page displays the size of the shared memory pool, the maximum size of the pool, the paging VIOS assigned to the pool, and the paging space devices that are assigned to the pool.
9. Click Finish to apply the changes to the shared memory pool.