6.If you want to change the settings of an existing CLPR, repeat steps 3 through 5.
NOTE:
Note: At this point, the cache logical partition has no parity groups. See
“Migrating Resources To and From Cache Logical Partitions” on page 33 for more information on migrating resources to and from cache logical partitions.
Migrating Resources To and From Cache Logical Partitions
Notes:
•You can only migrate resources within the same CU.
•All concatenated parity groups must be in the same CLPR.
•LUSE volumes cannot be set across more than one CLPR.
•If a parity group contains one or more LDEVs that have defined Cache Residency extents, you cannot migrate that parity group to another CLPR.
To migrate one or more parity groups to another cache logical partition:
1.Access the Storage Management Logical Partition window, then select a CLPR from the Partition Definition tree, on the upper left portion of the window. This opens the Cache Logical Partition window.
2.If you want to choose a CU, click the Select CU button on the upper right portion of the window to display the Select CU dialog box (see Figure 17). Within that dialog box, do one of the fol- lowing:
•Select the All CU radio button to display the information about all CUs on the CLPR resource list.
•Select the Specific CU radio button, then specify the LDKC and the CU. This shows only CLPRs from the selected CU.
•Select the Unallocated radio button to display only the information about CUs unallocated to CLPR can be displayed on the CLPR resource list.
3.Click Set to close the dialog box.
4.From the Cache Logical Partition Resource List on the upper right portion of the window, select one or more parity groups to be migrated.
5.On the Partition Definition tree, on the upper left portion of the window, select the CLPR to which you want to migrate resources, then right click and click Paste from the
6.Click Apply to apply the settings.
XP24000/XP20000 Disk/Cache Partition User's Guide | 33 |