Error detection using data block mapping

Details Error detection using data block mapping Error detection using data block mapping

2006-04-25

2006-04-25

Chung, Phung My (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S723000, C714S758000, C714S807000

Reexamination Certificate

active

07036066

ABSTRACT:
Error detection using data block mapping is provided. One method includes receiving a write request to write a user data block having a first block size, generating an error detection code for the user data block, appending the error detection code to the user data block to form an extended data block, and mapping the extended data block to a plurality of actual data blocks, each actual data block having a block size equal to the first block size.

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patent: 2003/0204699 (2003-10-01), Talagala et al.
patent: 2004/0153746 (2004-08-01), Talagala et al.
EMC Corporation, Engineering White Paper, “EMC Double Checksum for Oracle,” dated Nov. 1, 2001.

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