Apparatus and method for controlling disk drive spin up

Details Apparatus and method for controlling disk drive spin up Apparatus and method for controlling disk drive spin up

2007-02-06

2007-02-06

Nguyen, Hoa T. (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Reexamination Certificate

active

11094024

ABSTRACT:
Disk drives in a storage system are spun up in sequential stages. During each sequential stage a number of disk drives is spun up based on parameters related to the power requirements of the system. The parameters include the maximum current for the storage system, the number of disk drives currently in steady state, the steady state current required for a disk drive, and the spin up current required for a disk drive. High availability features are provided as further aspects of the spin up mechanism.

REFERENCES:
patent: 5650886 (1997-07-01), Codilian et al.
patent: 6966006 (2005-11-01), Pacheco et al.
patent: 7023642 (2006-04-01), Suzuki et al.
patent: 7068500 (2006-06-01), Beinor, Jr. et al.
patent: 2003/0115413 (2003-06-01), Wood et al.

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