Virtual ordered writes for multiple storage devices
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United States of America Patent
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Dec 16, 2014
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N/A
app pub date -
Jan 30, 2006
filing date -
Dec 1, 2003
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Abstract
A computer-implemented method of ordering data writes includes at least some of a plurality of primary storage devices receiving a first plurality of data writes and causing a cycle switch for the plurality of primary storage devices. The first plurality of data writes are associated with a particular cycle on each primary storage device in the plurality of primary storage devices. At least some of the plurality of primary storage devices receive a second plurality of writes after initiating the cycle switch. All of the second plurality of writes are associated with a cycle different from the particular cycle on each of the plurality of primary storage devices.
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