Patent ID: 7584368

Claim:
A method of sequencing the spin-up of a plurality of disk drives in a storage system, the plurality of disk drives including at least one serial attached SCSI (“SAS”) disk drive and at least one serial advanced technology attachment (“SATA”) disk drive, the method comprising: performing a discovery process to identify each SAS disk drive in the plurality of disk drives; configuring a first portion of the disk drives to be powered on when the storage system is powered on the first portion including at least one SAS disk drive; configuring a second portion of the disk drives to be initially powered off when the storage system is powered on the second portion including at least one SATA disk drive; issuing a spin-up command to each disk drive in the first portion; and controllably applying power to each disk drive in the second portion to cause said each disk drive in the second portion to spin-up.