Patent ID: 7870409
Filing Date: 2011-01-11
Classification: G06F,Y02D

Abstract:
1. A storage system comprising: a controller in communication with one or more first storage mediums and one or more second storage mediums; and a first volume having storage capacity allocated from the one or more first storage mediums, wherein initially said one or more first storage mediums and said one or more second storage mediums are configured in a powered off condition, wherein said controller is configured to receive an instruction for first data to be stored to said first volume, and place said one or more first storage mediums in a powered on condition while said one or more second storage mediums remain powered off, wherein content of said first data received by said controller is compared with content of any existing data stored in said first volume, and wherein when results of the comparison show that the content of said data does not match the content of said existing data in said first volume, said first data is stored to said first volume.