User manual HP STORAGEWORKS XP DISK/CACHE PARTITION SOFTWARE

[. . . ] HP StorageWorks XP Disk/Cache Partition user guide for the XP12000/XP10000/SVS 200 Part number: T1722­96011 Ninth edition: January 2008 Legal and notice information © Copyright 2005, 2008 Hewlett-Packard Development Company, L. P. Valid license from HP required for possession, use or copying. Consistent with FAR 12. 211 and 12. 212, Commercial Computer Software, Computer Software Documentation, and Technical Data for Commercial Items are licensed to the U. S. Government under vendor's standard commercial license. [. . . ] Information about the selected CLPR appears in the Detail For CLPR section. NOTE: If a CLPR has this icon ( ) and is grayed out, you cannot select the CLPR. To change the CU group, return to step 1. NOTE: Even though you clicked Apply, the parity groups have not been allocated to a CLPR yet. 22 Working with CLPRs 6. To allocate parity groups to a CLPR, migrate the parity groups from another CLPR (see Migrating parity groups in CLPRs). NOTE: To change an existing CLPR's settings, repeat step 3 through step 6. Deleting CLPRs If you delete a CLPR, the resources (that is, parity groups) in the CLPR are automatically returned to CLPR0. NOTE: The CLPRs which are not necessary may be deleted. Confirm the current CU group in the drop-down list for CU groups in the upper right of the XP Remote Web Console main pane. NOTE: To change the CU group, select the desired CU group from the drop-down list for CU groups in the upper right of the XP Remote Web Console main pane. For more information about CU groups, see the HP StorageWorks XP Remote Web Console user guide for XP12000/XP10000/SVS200. Right-click the CLPR you want to delete in the tree, and select Delete CLPR. The selected CLPR is deleted from the tree. NOTE: If a CLPR has this icon ( ) and is grayed out, you cannot select the CLPR. To change the CU group, return to step 1. NOTE: To delete the CLPR to which parity groups are allocated, move the parity groups that are allocated to the CLPR you are going to delete to another CLPR. Before you delete the CLPR, make sure that no parity group is allocated to that CLPR. Migrating parity groups in CLPRs You can migrate parity groups in a CLPR to another CLPR. XP Disk/Cache Partition user guide 23 NOTE: You cannot migrate parity groups to a CLPR belonging to a CU group other than the current CPLR. NOTE: Multiple parity groups that construct the concatenated parity group must belong to the same CLPR. NOTE: You cannot migrate the parity group that contains the LDEVs to which the Cache Residency cache extents is defined to another CLPR. Confirm the current CU group in the drop-down list for CU groups in the upper right of the XP Remote Web Console main pane. NOTE: To change the CU group, select the desired CU group from the drop-down list for CU groups in the upper right of the XP Remote Web Console main pane. For more information about CU groups, see the HP StorageWorks XP Remote Web Console user guide for XP12000/XP10000/SVS200. CLPRs appear under the specified SLPR in the tree. The selected CLPR's resource list appears. NOTE: If a CLPR has this icon ( ) and is grayed out, you cannot select the CLPR. To change the CU group, return to step 1. [. . . ] · Adding or changing a CLPR definition can take several hours. To minimize the amount of time required when moving cache from one CLPR to another, create partitions when the array's workload is light. · HP does not recommended the following operations with CLPRs: · Creating a LUSE volume extending over multiple CLPRs. If performed, you cannot use volumes belonging to the CLPRs to which the LUSE is set as a Continuous Access XP or TrueCopy for z/OS® pair volume. [. . . ]