Application migration and power consumption optimization in...

Details Application migration and power consumption optimization in... Application migration and power consumption optimization in...

2008-12-19

2011-11-01

Ellis, Kevin (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S112000, C711S165000, C711S173000, C713S320000, C718S104000

Reexamination Certificate

active

08051254

ABSTRACT:
A storage device including a logical volume being a migration source of an application copies data stored in the logical volume being a migration source into a logical volume being a migration destination of the application. After such a copy process is started, the storage device stores the data written into the logical volume being a migration source as differential data without storing the data into the logical volume being a migration source. When the copy process is completed for the data stored in the logical volume being a migration source, a management computer starts copying of the differential data, and in a time interval after the copying of the data stored in the logical volume being a migration source is completed but before the copying of the differential data is completed, a computer being a migration destination of the application is turned ON. With such a logically-partitioned computer system, power consumption at the time of application migration can be reduced.

REFERENCES:
patent: 2003/0051104 (2003-03-01), Riedel
patent: 2004/0111596 (2004-06-01), Rawson, III
patent: 2007/0038819 (2007-02-01), Miki et al.
patent: 2007/0079088 (2007-04-01), Deguchi et al.
patent: 2008/0065919 (2008-03-01), Hatasaki et al.
patent: 2008/0098194 (2008-04-01), Hashimoto et al.
patent: 2007-47986 (2007-02-01), None
patent: 2007-310791 (2007-11-01), None
patent: 2008-102667 (2008-05-01), None

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