Electrical computers and digital processing systems: support – Synchronization of clock or timing signals – data – or pulses
Reexamination Certificate
2007-10-12
2010-10-12
Stoynov, Stefan (Department: 2116)
Electrical computers and digital processing systems: support
Synchronization of clock or timing signals, data, or pulses
C713S300000, C711S112000, C711S135000, C711S141000, C714S006130, C714S765000, C714S789000, C714S798000
Reexamination Certificate
active
07814361
ABSTRACT:
Systems and methods for synchronizing redundant data in a storage array are disclosed. In accordance with a method, a pointer indicating the amount of data synchronized between a first storage resource to a second storage resource may be maintained and a power event may be detected. In response to the detection of the power event, an attempt may be made to flush a write cache associated with the second storage resource to transfer data from the write cache to a non-volatile storage area of the second storage resource. A determination may be made whether the attempt to flush the write cache is successful. In response to determining that the attempt to flush the write cache is successful, a flag may be set to indicate that the pointer accurately indicates the amount of data mirrored from the first storage resource to the non-volatile storage area of the second storage resource.
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Higham Gabriel
Kadathur Srinivasan
Baker & Botts L.L.P.
Dell Products L.P.
Stoynov Stefan
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