By extending the DCOM support in Version 4 of the Samba project, Zenoss implemented full WMI functionality directly from a Linux server to Windows machines. Previous versions of Zenoss--and currently all other open-source management tools--proxy WMI calls through a dedicated Windows server. Core Version 2.0 eliminates that need and can natively speak WMI to Windows machines. Zenoss says it will provide its WMI extensions back to the Samba project.
Extending Zenoss Core is easy with ZenPacks, bundles of Zenoss modeling and performance templates. Zenoss gave us a sample ZenPack, and Core lets IT build custom ZenPacks.
But Is It Fast?
Another natural concern is performance, and on this front the product delivers. Zenoss Core is built on an expandable architecture that lets you place Core servers near the devices they will monitor, and add additional servers as your needs grow. Say you have three data centers; you could place a performance and event monitor in each to minimize WAN traffic and increase efficiency. Each Core server can be managed independently, or you can add the ZenMoM console to aggregate information. n
Jeff Ballard is the unix systems manager for the computer-aided engineering center at the University O\of Wisconsin-Madison. Send your comments on this article to him at [email protected]
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