International Business Machines Corporation

Robert S Smith

Andrew Gregory Kegel

Michael Sean June

Steven Daryl Cook

Troy Williams Glover

Deepa Srinivasan

Whitcomb Randloph Scott, Iii

Whitcomb Randolph Scott, Iii

Server discovery, spawning collector threads to collect information from servers, and reporting such information, is disclosed. A method of one embodiment determines a number of servers communicatively coupled to a network. For each server, a collector thread is spawned to collect information regarding the server by sending requests to the server and receiving responses from the server. The collector threads can be spawned by and run on a computing device other than the number of servers, such that no computer-executable code is installed on the servers for collecting the information. Upon completion of the collector thread for each server, the information regarding the server as collected is stored to a database by one or more writer threads. The information may include dynamic load-oriented and function-oriented information regarding the servers, as well as static configuration information, from which server utilization-oriented statistics may be distilled to identify candidate servers for server consolidation.

Server discovery, spawning collector threads to collect information from servers, and reporting information

A computer system and method for measuring air density in a computer chassis. The computer chassis includes a fan, an ambient air temperature sensor, and a heat-generating device with a heat sink, a heat sink temperature sensor, and a controller. The controller controls the fan speed and applies a known amount of thermal energy to the heat sink, then determines the air density from the difference in temperature between the ambient air and the heat sink. The controller may then use the air density determination to adjust the air flow rate through the computer chassis to provide a proper air flow rate for cooling.

System and method for determining air density based on temperature sensor data

The present invention can include an automated method controlling the fan speed of computer system cooling fans with altitude and/or fluid density data from a centralized sensor. Such a method can utilize a centralized sensor to determine the altitude/fluid density within an enclosed area. The centralized sensor can be positioned so as to be unaffected by extraneous activities within the enclosed area. The determined altitude/fluid density can be conveyed to a computer system containing one or more cooling fans. The computer system can be located within the enclosed area. Then, the computer system can determine the need for adjusting the speed of the cooling fans based on the altitude/fluid density. When the need for adjustment exists, the speed of the cooling fans can be adjusted in accordance with the altitude/fluid density.

Controlling the speed of cooling fans for multiple computer systems based on altitude/fluid density measurements from a centralized sensor

A method is disclosed for discovering servers, spawning collector threads to collect information from servers, and reporting such information. The method may determine a number of servers communicatively coupled to a network. For each server, a collector thread may be spawned to collect information regarding the server by sending requests to the server and receiving responses from the server. The collector threads may be spawned by and run on a computing device other than the number of servers, such that no computer-executable code is installed on the servers for collecting the information. Upon completion of the collector thread for each server, the information regarding the server as collected may be stored to a database by one or more writer threads. The information may include dynamic load-oriented and function-oriented information regarding the servers, as well as static configuration information, from which server utilization-oriented statistics may be distilled to identify candidate servers for server consolidation.

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Dupont, WA, United States of America

Robert S Smith