Storage device and its drive startup method

Details Storage device and its drive startup method Storage device and its drive startup method

2011-08-02

2011-08-02

Edun, Muhammad N (Department: 2627)

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Mechanism control by the control signal

C369S047500, C369S100000, C711S114000

Reexamination Certificate

active

07990823

ABSTRACT:
The time required for starting up drives in a storage device mounted with both hard disk drives and solid state drives is shortened. A storage controller of the storage device identifies the type (HDD/SSD) of the mounted drives before starting up the drives. The storage controller thereafter performs staggered spinup to the HDDs in several batches. After the startup of HDDs is complete, the storage controller collectively starts up the SSDs. The storage controller determines the drive startup processing based on a pre-set drive startup policy such as reduction of the peak current reduction or shortening of the startup time, and the drive type identification result.

REFERENCES:
patent: 6775794 (2004-08-01), Horst et al.
patent: 7152173 (2006-12-01), Yuan
patent: 4-078062 (1992-03-01), None

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