Electrical computers and digital processing systems: memory – Storage accessing and control – Control technique
Reexamination Certificate
2006-07-04
2006-07-04
Padmanabhan, Mano (Department: 2185)
Electrical computers and digital processing systems: memory
Storage accessing and control
Control technique
C711S162000, C711S161000, C711S207000, C707S793000
Reexamination Certificate
active
07073038
ABSTRACT:
An apparatus and method for implementing structure level pointers in a data storage system are provided. With the apparatus and method, a compound pointer system is provided in which fixed level pointers are augmented with associated pointers to metadata describing lower level structures. The companion metadata describes these lower level structures in a manner independent of the actual data stored within the lower level structures. With such an enhanced compound pointer system, an instant copy mechanism can process the pointers to the underlying structures and take instant copies of much finer detail. This allows individual records of data to be represented by the pointer system without having the overhead of carrying a pointer to all the individual records. The instant copy mechanism not only copies the fixed level pointers, but resolves the companion pointers to individual subsets of a general granularity for the instances of the instant copy domains.
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Hodge Leslie K.
Milligan Charles A.
Noland Thomas Nelson
Padmanabhan Mano
Rojas Midys
Storage Technology Corporation
Yee & Associates P.C.
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