Evenly distributing workload and providing a predictable failover scenario in a data replication system
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United States of America Patent
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Mar 25, 2014
Grant Date -
Nov 15, 2012
app pub date -
Apr 16, 2012
filing date -
Oct 20, 2009
priority date (Note) -
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Abstract
A method for more effectively distributing the I/O workload in a data replication system is disclosed herein. In selected embodiments, such a method may include generating an I/O request and identifying a storage resource group associated with the I/O request. In the event the I/O request is associated with a first storage resource group, the I/O request may be directed to a first storage device and a copy of the I/O request may be mirrored from the first storage device to a second storage device. Alternatively, in the event the I/O request is associated with a second storage resource group, the I/O request may be directed to a second storage device and a copy of the I/O request may be mirrored from the second storage device to the first storage device.
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