Methods and apparatuses for heat management in storage systems

Details Methods and apparatuses for heat management in storage systems Methods and apparatuses for heat management in storage systems

2007-09-18

2010-10-19

Nguyen, Than (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S155000, C711S161000, C702S132000

Reexamination Certificate

active

07818499

ABSTRACT:
An information system includes a storage system having a controller in communication with a plurality of storage devices. In some embodiments, the storage devices are divided into at least a first group and a second group, with a first temperature sensor sensing a temperature condition for the first group, and a second temperature sensor for sensing a temperature condition for the second group. A heat distribution rule designates the first groups to be high temperature groups and the second groups to be low temperature groups. The heat distribution rule is implemented by designating a higher load of input/output (I/O) operations to the high temperature groups than to the low temperature groups, such as by migrating volumes having high I/O loads to the high temperature groups. In other embodiments, there are multiple storage systems, and each storage system is designated as a high temperature system or a low temperature system.

REFERENCES:
patent: 6987673 (2006-01-01), French et al.
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patent: 2003/0110012 (2003-06-01), Orenstien et al.
patent: 2006/0069886 (2006-03-01), Tulyani
patent: 2006/0112286 (2006-05-01), Whalley et al.
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