all systems have their advantages disadvantages it all depends on what your doing and designs u choose. personaly i think raised floor and tray above are best then u keep all ur power below away from ur data lines plus but then ur setup is only as good as the lazyest tech u get comming in running stuff.
On Tue, May 21, 2019 at 11:38 AM Patrick Finnegan via cctalk < cctalk@classiccmp.org> wrote: > On Tue, May 21, 2019, 04:13 Christian Corti via cctalk < > cctalk@classiccmp.org> wrote: > > > You definitely need a raised floor > > for a data center. You need it for forced air cooling and for running the > > water and condensate pipes. > > > Ductwork doesn't have to be below the floor. Modern co-lo facilities that I > have been in (such as Switch Supernap) don't have a raised floor. > > Plumbing (unless you're doing aisle containment or RDHx) shouldn't run > through the IT space in the data center. > > Cooling water to racks should be dewpoint adjusted, so you don't need > condensate drains inside the DC. > > And overhead trays are much more difficult to > > work with if you want to lay new cables because you have to climb up and > > down the ladder all the time, moving the ladder from here to there and > > back to here... > > > > I solved that by having multiple ladders. In my experience, it's a lot > easier than trying to reach through a cluttered raised floor under racks. > > The only good reason that I have seen in this thread for a raised floor is > to match older equipment that routes cables downwards. > > Pat > > > >
