Method and system for striping data to accommodate integrity...

Details Method and system for striping data to accommodate integrity... Method and system for striping data to accommodate integrity...

2006-05-23

2006-05-23

Moazzami, Nasser (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C714S006130

Reexamination Certificate

active

07051155

ABSTRACT:
A data layout mechanism is described for allocating metadata within a storage system employing data striping. The data layout mechanism includes a number of storage devices, each of the storage devices having storage spaces allocated to store individual data stripe units associated with a number of stripes. The data layout mechanism further includes a plurality of metadata chunks allocated within the storage devices such that (1) metadata associated with at least two data stripe units of the same stripe is stored within a single metadata chunk, and (2) the metadata chunks are evenly distributed across the storage devices.

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White Paper, “The EMC CLARiion Data Integrity Difference,” pp. 1-11 (May 2001).

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