Server Room Environment Monitoring?
WizardX asks: "At my new job we are in the process of starting to Do Things Right(tm). One of these things is putting the computer room (where the IT staff also resides), on its own cooling circuit. We want to monitor and track the temp and humidity in the room. The tracking part makes it more difficult. I really am not familiar with devices to do this. I plan on monitoring with MRTG, so a device that could plug into our network would be nice, but as long as it can dump the data to a computer (*nix or Windows, I really don't care) I will be happy. What have you seen or used?" I think the submitter is looking for something along the line of these devices, but maybe some of you have run into something better?
I think Netbotz are the best I've seen so far. I have used them in multiple server rooms for security as well as monitoring. They have temp, humidity, a camera, and are web-enabled. Very sweet!
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NetBotz are the best-known and most fully-featured system, but they're kind of pricey.
A cheaper alternative is APC's solution while providing just the environment info you want.
If you are also looking into remote power management, Server Technology's Power Tower product is being integrated with a new environmental device (for $100-200 or so, according to reports) which allows you to keep your interactions and monitoring all on one interface for environmental and power both.
UserAdvocate: The voice of the user
This is how we do it in my server room. All of our RAID controllers (Dell Poweredge RAID controllers - A derivitive of the Adaptec controllers) let you get two different temperature readings off of the controller. We just poll these vaules from a few of the servers and average.
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I currently use digitemp to monitor the temperature in my computer room using Dallas Semiconductor DS18S20 temperature sensors. I had thought that they also had iButtons that also monitored humidity, but I don't see them now.