July 2009 Archives

DFP retro-fit to MFP position

By David on July 25, 2009 12:05 AM | Permalink | No Comments | No TrackBacks
The new DFP is designed to fit over either a single box (if no mains connections used) or a dual-box, whereas the MFP mounts on a double box. As I discussed in my DFP post, the DFP mounting back plate is not compatible with a double box. So my DFP has remained deskbound for quite some time.
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Too Darn Hot

By David on July 3, 2009 11:20 PM | Permalink | No Comments | No TrackBacks
I built a new Node-0 cabinet to replace my metal wall cabinet type. The main reason was to get a bit more height and also some more depth at the bottom where it tucks under the roof apex so that I can fit some deeper server cases in there.

But whilst I was at it I changed my fan arrangement. Instead of trying to suck hot air out I now blow cooler air in. This means that in hot weather I am not sucking hot air from the roof void into the cabinet through any leaks. The air is blown in at the bottom rear corner and passes to the front through a plenum, since most equipment I have seems to suck in at the front.
Continue reading Too Darn Hot.
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