A method of automatically generating and decommissioning mirrors of data contained in physical storage volumes in computer system is disclosed. Physical storage volumes and portions of volumes are monitored to collect usage statistics. Those usage statistics are then used to determine whether to mirror the volume or volume portion for greater efficiency. Likewise, the usage statistics are used to determine when mirrors already generated should be decommissioned due to lack of usage.

 
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< Ordered semaphore management subsystem

< Location authentication of requests to a web server system linked to a physical entity

> Priority rules for reducing network message routing latency

> System and method for detecting access to shared structures and for maintaining coherence of derived structures in virtualized multiprocessor systems
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