Enterprise Linux Log

Jun 26 2007   12:27PM GMT

Linux, power management and the green data center


Linux and power managementToday SearchEnterpriseLinux.com ran an article on AMD, Novell and power management, and how the overall Linux community has warmed to the idea of “Green Linux.” Our sister site SearchDataCenter.com has, in my opinion, led the way on power and cooling from a hardware perspective, but today we’re starting to see some of the responsibility on this important issue shift to the software guys too.

Our article today (Novell, AMD synch up on power management) dealt first with AMD and its initiative to shift PowerNow! to Linux systems. Much of the work, said AMD’s director of commercial applications Margaret Lewis, is centered on incorporating AMD’s PowerNow! power management into SLES 10 SP1 and SLES 9 SP4. PowerNow! is a dashboard-based application that conserves power in AMD-based computers. The CPU’s clock speed and VCore is automatically decreased when the computer is under low load or idle to save power and reduce heat, Lewis told me this week.

The AMD news was, obviously, hardware-related, but later in the article we get to the Linux Foundation, and what that group is doing to raise power management awareness with Linux developers. According to the foundation, making Linux green is becoming more important in all aspects of Linux adoption, from desktop to server. At the recent Linux Foundation Collaboration Summit at Google’s Mountain View campus developers said will work to identify key projects and coordinate resources among its members to improve power management functionality in the Linux platform. There’s another meeting scheduled for this week in Ottawa, so we’ll just have to see how fine tuned things become.

Getting Linux, power management, and the data center to coalesce at a single point will be quite the coup if someone can pull it off. Right now, I think each of the factions (hardware, software, etc) are off doing their own thing. Regardless, it’s great to see Linux developers and advocates getting out in front of the issue.

UPDATE, June 26@1:30 pm.:
For some more on the next generation data center and a place where many a Linux admin might be working very soon, check out Bridget Botelho’s scoop on Google’s brand new Iowa-based data center.

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