Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
May 25, 2010
Patent Application Number
11471714
Date Filed
June 21, 2006
Patent Primary Examiner
Patent abstract
A storage system where storage areas are provided to host systems using a conventional AOU technique, the storage system being able to reduce power consumption by the storage resources allocated to pools and prevent the shortening of the life expectancy of the storage resources. In the storage system, data storage devices defined as belonging to the pools are allocated to virtual volumes. Allocation is performed in accordance with access by the hosts. The data storage devices are powered off before being allocated to the virtual volumes and powered on after being allocated.
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