On Thursday 03 December 2009, Prentice Bisbal wrote: > Hearns, John wrote: > > I was wondering if anyone has actual experience with running more than > > one node from a single power supply. Even just two boards on one PSU > > would be nice. We will be using barely 200W per node for 50 nodes and it > > just seems like a big waste to buy 50 power supply units. I have read > > the old posts but did not see any reports of success. > > > > Look at the Supermicro twin systems, they have two motherboards in 1U or > > four motherboards in 2U. > > > > I believe HP have similar. > > What I learned at SC09: > > HP does make twin nodes similar to SuperMicro, but the HP nodes are not > hot-swappable,
Almost true, the DL1000 is not hot-swapable, the SL6000 kind of is (you can pull a 1U sub-unit which can be either one or two nodes). > if a single node goes down, you need to take down all the > nodes in the chassis before you can remove the dead node. Not very > practical. The SuperMicro nodes are definitely hot-swappable. Almost true, Supermicro has (or at least had) both hot-swap and non-hot-swap. /Peter
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