Electrical computers and digital processing systems: memory – Storage accessing and control – Memory configuring
Reexamination Certificate
2006-10-03
2009-06-09
Ellis, Kevin L (Department: 2187)
Electrical computers and digital processing systems: memory
Storage accessing and control
Memory configuring
C711S114000, C714S766000
Reexamination Certificate
active
07546436
ABSTRACT:
Provided are a method, system, and an article of manufacture for detecting errors while accessing a storage device. A host system writes an identical initialization pattern into each block of a plurality of blocks while formatting the storage device. Each block of the plurality of blocks has a checksum field capable of containing a value. Any host system generates an error when data from a retrieved block from the plurality of blocks computes to a checksum that is different from the value contained within the checksum field for the retrieved block, and the retrieved block does not contain the initialization pattern.
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Milligan, Gene, “dpANS SCSI-3 Block Commands (SBC)”, Revision 8c, pp. 30-38, Nov. 13, 1997.
Duncan William L.
Ihde Wayne
Tibbetts Michael
Dorsey & Whitney LLP
Ellis Kevin L
Farrokh Hashem
Sun Microsystems Inc.
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