Changing a shared memory pool

You can view and change the shared memory pool configuration by using the Hardware Management Console (HMC).

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

1. Choose one of the following navigation options depending on the interface type of the Hardware Management Console (HMC):
   • If you are using an HMC Enhanced interface, complete the following steps:
     1. In the navigation pane, expand Systems Management > Servers.
     2. In the work pane, select the server on which you want to change a shared memory pool.
     3. Select Manage PowerVM by using one of the following options to open the PowerVM Configuration page:
        • Click the menu next to the server name and select Manage PowerVM.
        • In the work pane, click Manage PowerVM.
   • If you are using an HMC Enhanced+ interface, complete the following steps:
     1. In the navigation pane, click the Resources icon .
     2. Click All Systems. The All Systems page is displayed.
     3. In the work pane, select a system and click Actions > View System Properties. You can view and change the properties of the system that are listed under the PowerVM area.
2. In the PowerVM area, click Shared Memory Pool. 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.
3. Click Next.
4. In the General page, you can view and change the shared memory pool size. Click Next.
5. In the Paging VIOS page, you can associate one or more paging VIOS partition to the shared memory pool. Click Next.
6. 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.
7. 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.
8. Click Finish to apply the changes to the shared memory pool.