Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Patent
1998-05-13
2000-02-29
Beausoliel, Jr., Robert W.
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
G06F 1108
Patent
active
060322632
ABSTRACT:
A disk array stores data records and parity records. The data records are transferred to the disk array through a control unit that is connected to a host processor. The disk array is part of a disk unit having a processor for generating parity records from information sent by the control unit to the disk unit. The parity record is generated and stored in the disk unit to reduce the number of data transfer operations between the control unit and the disk unit for storage systems using disk array disk units.
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Inomata Hirofumi
Kurano Akira
Takamatsu Hisashi
Tamiya Toshihiko
Yamamoto Akira
Baderman Scott T.
Beausoliel, Jr. Robert W.
Hitachi , Ltd.
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