Patent ID: 8209495

Claim:
A storage management method for a storage subsystem having resources including a plurality of channel adapters, a cache memory, and a plurality of physical disks, the storage management method comprising the steps of: allocating logically partitioned resources in said storage subsystem to each of a plurality of division units; storing, in a shared memory in said storage subsystem, a program-product management table showing a presence or absence of a right to execute a configuration changing function by a program product in each of said division units; referring, in accordance with an instruction to execute said configuration changing function by said program product in a first division unit of said division units, to said program-product management table at a time of executing said configuration changing function by said program product in said first division unit; allowing execution of said configuration changing function by said program product in said first division if a right to execute said configuration changing function by said program product is present in said first division unit; and restricting execution of said configuration changing function by said program product in said first division unit if a right to execute said configuration changing function by said program product is absent in said first division unit.