HP StorageWorks XP Disk/Cache Partition user guide for XP12000/XP10000 Disk Arrays and SVS200 (T1722-96010, October 2007)

Mainframe volumes must be allocated to SLPR0.
Before a customized volume (CV) is created, the StorageAdmins user must allocate CU numbers to
the SLPR. Allocated CU numbers are required only for dening the CU number to be allocated to
the LDEV when the StorageAdmin user creates a CV.
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Notes, restrictions, and requirements