| 摘要 |
In one embodiment, a storage system includes a server system having a processor and a local buffer pool for storing instances for use in catalog requests, and a Direct Access Storage Device (DASD) subsystem electrically coupled to the server system and to at least one DASD, wherein the at least one DASD is adapted for providing at least one catalog configured according to a Basic Catalog Structure (BCS), wherein the at least one catalog includes at least one of: a user catalog including information related to locations of user data sets and system data sets stored to the at least one DASD, and a tape volume catalog including information related to locations of user data sets and system data sets stored to at least one tape medium, and wherein the data storage system is adapted for providing Record Level Sharing (RLS) for the at least one catalog stored to the at least one DASD.
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