Re: About Markely Group, Summer Street, Boston

["Ward Vandewege" <user=150@nabble.blu.org>]

 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. 

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