On Mon, Jun 16, 2008 at 11:27:43PM -0500, Joe Greco wrote: [ quoting me ] > > but doesn't *anyone* put service loops in anything anymore? > > Assuming you're using "service loops" in the sense of allowing enough > cable to allow a server to slide out while running... usually in copper > building wiring, the term loosely refers to excess cable or whathaveyou > stuffed back into the conduit/cavity/box to allow for the fixture to be > pulled out and worked on. > > When you've got a dense rack (think something like 30 1U servers, with a > minimum of 4 x Cat5/6/etc to each one), "service loops" are a great way > to significantly reduce your airflow. Think about how far you have to > pull a server out... is anything significantly less than 30" deep these > days? That means a lot of wire to store. When it isn't mission critical > that downtime be minimized to the second, it changes the perspective on > whether or not you need to be able to pull equipment while having it > still running.
True. And I'm Mr Just Unplug It For A Second To Move The Cable, too. > Each situation will have tradeoffs. Pick appropriately, as always. Excellent reminder. Cheers, -- jra -- Jay R. Ashworth [EMAIL PROTECTED] Designer +-Internetworking------+---------+ RFC 2100 Ashworth & Associates | Best Practices Wiki | | '87 e24 St Petersburg FL USA +-http://bestpractices.wikia.com-+ +1 727 647 1274 If you can read this... thank a system administrator. Or two. --me
