Logical library architecture for data storage applications...

Details Logical library architecture for data storage applications... Logical library architecture for data storage applications...

2007-08-28

2007-08-28

Sparks, Donald (Department: 2187)

Electrical computers and digital processing systems: memory

Address formation

Address mapping

C709S215000

Reexamination Certificate

active

10738194

ABSTRACT:
Systems and associated methods provide a level of indirection between multiple host computers and multiple data storage resources, such as removable media data storage devices. At least one of the hosts is not provided with direct access to some of the removable media data storage devices. Instead, logical addresses are provided to the host computers, where the logical addresses can relate to physical addresses associated with the data storage resources. A data storage resource handle or logical proxy may be presented to a host, and a management layer determines whether the host receives access to physical data storage resources, or virtual resources that emulate the physical resources.

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