Implementing power savings in an automated storage system

Details Implementing power savings in an automated storage system Implementing power savings in an automated storage system

2009-02-05

2010-10-19

Sniezek, Andrew L (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

C713S320000

Reexamination Certificate

active

07817369

ABSTRACT:
In a method of implementing power savings in an automated storage system, a power savings mode authorization is sent from a library controller to a tape drive, such that the tape drive is authorized to enter an extended power savings mode that maintains an operational host interface in the tape drive for communicating with a host system. A media move command is received at a tape library of the automated storage system. The media move command comprises a command from the host system for the tape library to move a tape cartridge to the tape drive. In response to receiving the media move command, an instruction is issued to the tape drive to transition from the extended power savings mode to an active power mode. The instruction is issued prior to notifying the host system of completion of the media move command.

REFERENCES:
patent: 6725385 (2004-04-01), Chu et al.
patent: 2009/0207520 (2009-08-01), Golasky et al.
patent: 2009/0254645 (2009-10-01), Haustein et al.

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