Patent ID: 8286019
Filing Date: 2012-10-09
Classification: G06F,Y02D

Abstract:
1. A method of operating a storage system having a controller in communication with one or more storage mediums, the method comprising the steps of: acquiring one or more disc array group IDs to which a data is allocated; acquiring one or more medium IDs corresponding to the acquired one or more disc array group IDs; powering on one or more storage mediums corresponding to the acquired one or more medium IDs; transferring the data to the one or more storage mediums which were powered on; comparing content of the data with content of any existing data stored in the one or more storage mediums which were powered on; and keeping the content of the data in the one or more storage mediums which were powered on when the content of the data does not correspond to the existing data stored in the one or more storage mediums.