Home
| Calendar
| Mail Lists
| List Archives
| Desktop SIG
| Hardware Hacking SIG
Wiki | Flickr | PicasaWeb | Video | Maps & Directions | Installfests | Keysignings Linux Cafe | Meeting Notes | Blog | Linux Links | Bling | About BLU |
My friend has cisco catalyst 3560. --- On Tue, 7/8/08, Ward Vandewege <[hidden email]> wrote: > From: Ward Vandewege <[hidden email]> > Subject: Re: About Markely Group, Summer Street, Boston > To: "Dave Peters" <[hidden email]> > Cc: [hidden email] > Date: Tuesday, July 8, 2008, 4:00 AM > On Mon, Jul 07, 2008 at 06:23:40PM -0700, Dave Peters wrote: > > My friend has colo with Markely Group, Summer Street, > Boston. He received > > I've got machines there too. > > > two messages from Markely Group few days ago. One > message stated that > > heats were coming out from the cabint. > > Cannot parse? Heat coming out of the cabinet? That seems > pretty normal. > > > Another message stated that the > > switches are racked in the wrong direction > (backwards). My friend told me > > that the servers are racked facing the front and the > switches are racked > > facing the back. > > Right, pretty standard to keep cabling as short and tidy as > possible. > > > This is first time that I hear about that and I really > wonder how the A/C > > systems that Markely Group is using. > > They probably have the typical setup with blue and red > zones between racks - > one side of the rack is 'blue' (i.e. cool) and the > other side of the rack is > 'red' (i.e. hot). That's probably why they want > everything blowing out hot > air to one side of the rack - and that means that his > switches are indeed > mounted the 'wrong' way. > > The idea is that racks suck in cool air from one side and > blow out hot air on > the other side, where it is sucked into the AC system. > > Now, that being said - I don't know what switches your > friend has, but it's > hard to imagine they would generate much heat compared to > your average modern > pizzabox server. So the situation might be a little more > complicated than > that - or your friend has really, really big switches. > > Thanks, > Ward. > > -- > Pong.be -( "HTML needs a rant > tag" - Alan Cox )- > Virtual hosting -( > )- > http://pong.be -( > )- > GnuPG public key: http://pgp.mit.edu
BLU is a member of BostonUserGroups | |
We also thank MIT for the use of their facilities. |