Data mirroring between controllers in an active-active...

Details Data mirroring between controllers in an active-active... Data mirroring between controllers in an active-active...

2006-09-12

2006-09-12

Tran, Philip B. (Department: 2155)

Electrical computers and digital processing systems: multicomput

Multicomputer data transferring via shared memory

C709S214000, C709S248000, C711S114000, C711S162000

Reexamination Certificate

active

07107320

ABSTRACT:
A data storage system that includes first and second controllers is provided. Data is mirrored from one controller to the other controller according to different steps depending on the amount of data to be mirrored. When the data to be mirrored is less than or equal to a predetermined number of bytes, one less interrupt is generated than when the data to be mirrored is greater than the predetermined number of bits.

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“International Search Report for PCT Application No. 02/35160”, 4 pages.

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