Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Reexamination Certificate
2006-11-14
2008-10-21
Beausoliel, Robert (Department: 2113)
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
C714S004110, C714S020000, C714S043000
Reexamination Certificate
active
07441148
ABSTRACT:
A technique for restoring data after suspension of a communications link between two storage systems is disclosed. Upon suspension of the link, an image of the data at the first and second locations is created in a secure location. While the link is down, updates to the data at each of the first and second locations are maintained separately. Upon reestablishment of a communications link, the two locations are again synchronized.
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Beausoliel Robert
Ehne Charles
Hitachi , Ltd.
Townsend and Townsend / and Crew LLP
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