Enforcing quality of service in a storage network
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United States of America Patent
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Sep 2, 2008
Grant Date -
Apr 24, 2003
app pub date -
Jan 18, 2002
filing date -
Sep 28, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system in accordance with an embodiment of the invention provides Quality of Service (QoS) for Storage Access. Such QoS is partially enabled in one embodiment by the automatic pooling of storage devices and provisioning virtual targets from those pools. QoS is enforced in one embodiment by keeping the bandwidth for each connection within a specified range, and particularly, by controlling the number of allowed concurrent requests from an initiator. Load balancing is also provided in one embodiment, improving response times for requests, further easing the ability to provide QoS.
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