HP StorageWorks SAN Virtualization Services Platform Manager user guide (5697-0295, January 2010)

3. Select Manage > Expand. The Expand wizard opens to the Select Back-End LU(s) screen and
displays the list of available back-end LUs.
Figure 18 Expand wizard—Select Back-End LU(s) screen
.
4. If you do not want to add a back-end LU to the storage pool, skip to step 9.
5. If you would like to select a back-end LU from a folder, navigate to the folder in the tree on the
left of the screen. The Select Back-End LU(s) screen displays the list of back-end LUs in the selected
folder.
6. Select a back-end LU that you want to add to the storage pool. Back-end LUs that already belong
to storage pools are not selectable.
7. Click Add. The back-end LU you selected appears in the lower section of the screen. If you want
to deselect your back-end LU, select the back-end LU in the lower section, and click Remove.
8. Repeat steps 5 through 7 to add more back-end LUs as necessary.
9. Click Next. The Select stripe set(s) screen appears.
10. Select any available stripe sets that you want to add to the pool.
11. Click Next. A confirmation screen appears.
12. Click Finish. The back-end LUs you selected are added to the storage pool.
Shrinking storage pools
You can remove from a storage pool any back-end LU or stripe set not being used for virtual disk
allocation.
CAUTION:
Make sure that the back-end LU or stripe set to be removed from the pool is not being used by a
virtual disk.
To remove a single back-end LU from a storage pool:
Working with storage pools88