Data storage system power management

A technique provides access to data in a data storage system. The technique involves providing a disk mirroring assembly including a primary mirror and a secondary mirror. The primary mirror has a set of high speed disk drives. Each high speed disk drive is configured to provide data access while ro...

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Bibliographische Detailangaben
1. Verfasser:	LINNELL THOMAS E
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION ANDCOMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION ANDCOMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THIR OWNENERGY USE COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS PHYSICS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	A technique provides access to data in a data storage system. The technique involves providing a disk mirroring assembly including a primary mirror and a secondary mirror. The primary mirror has a set of high speed disk drives. Each high speed disk drive is configured to provide data access while rotating platters at a predefined high performance speed. The secondary mirror has a set of moderate speed disk drives. Each moderate speed disk drive is configured to provide data access while rotating platters at a predefined moderate speed which is less than the predefined high performance speed. The technique further involves operating the disk mirroring assembly in a particular power management state, and performing data access operations on the disk mirroring assembly while the disk mirroring assembly operates in the particular power management state.