USE OF PREDEFINED BLOCK POINTERS TO REDUCE DUPLICATE STORAGE OF CERTAIN DATA IN A STORAGE SUBSYSTEM OF A STORAGE SERVER

A method and system for eliminating the redundant allocation and deallocation of special data on disk, wherein the redundant allocation and deallocation of special data on disk is eliminated by providing an innovate technique for specially allocating special data of a storage system. Specially alloc...

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Hauptverfasser: YADAV SANDEEP, PERIYAGARAM SUBRAMANIAN
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creator YADAV SANDEEP
PERIYAGARAM SUBRAMANIAN
description A method and system for eliminating the redundant allocation and deallocation of special data on disk, wherein the redundant allocation and deallocation of special data on disk is eliminated by providing an innovate technique for specially allocating special data of a storage system. Specially allocated data is data that is pre-allocated on disk and stored in memory of the storage system. "Special data" may include any pre-decided data, one or more portions of data that exceed a pre-defined sharing threshold, and/or one or more portions of data that have been identified by a user as special. For example, in some embodiments, a zero-filled data block is specially allocated by a storage system. As another example, in some embodiments, a data block whose contents correspond to a particular type document header is specially allocated.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title USE OF PREDEFINED BLOCK POINTERS TO REDUCE DUPLICATE STORAGE OF CERTAIN DATA IN A STORAGE SUBSYSTEM OF A STORAGE SERVER
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