Maximizing use of storage in a data replication environment
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United States of America Patent
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Jan 26, 2016
Grant Date -
Mar 26, 2015
app pub date -
Dec 2, 2014
filing date -
May 31, 2012
priority date (Note) -
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Abstract
Mechanisms for controlling access to storage volumes on the secondary storage system is provided. A determination is made as to whether a first site computing device has sent a notification of a failure condition of a first site. In response to a determination that the notification of the failure condition of the first site has not been received, secondary workloads of a second site computing device are permitted to access storage volumes on the secondary storage system. In response to a determination that the notification of the failure condition of the first site has been received, a mode of operation of the second site is modified from a normal mode of operation to a failure mode of operation. In the failure mode of operation, the storage system controller of the second site blocks at least a portion of access requests from secondary workloads of the second site computing device.
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