Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Reexamination Certificate
2006-11-14
2006-11-14
Sparks, Donald (Department: 2187)
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
C714S013000, C714S018000, C714S020000, C709S231000, C709S233000
Reexamination Certificate
active
07137032
ABSTRACT:
Methods and systems for managing disk capacity allocated to a data log in a source data storage system during a merge process are disclosed. Data in the data log may be merged into corresponding data on a destination storage system connected to the source data storage system by at least one communication link. In one embodiment a method comprises maintaining a ratio of merge writes out of the data log to writes from a host computer into the data log within a desired range until the write process reaches a predetermined distance from the end of the data log, and quiescing writes from a host computer into the data log until the data log is fully written to the destination storage system.
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Elkington Susan
Hess Randy
Korgaonkar Anuja
Leveille Jason
Lubbers Clark
Diller Jesse
Hewlett--Packard Development Company, L.P.
Sparks Donald
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