On 07/25/2011 11:37 AM, Luke S. Crawford wrote:
On Mon, Jul 25, 2011 at 10:58:41AM -1000, Paul Graydon wrote:
It's amazing how many of our rails still required screwing into the cab,
even as they took advantage of the square holes.
Yeah; I wouldn't feel comfortable without at least one screw on each side
of each rail, and at least one screw per server going through the
rackmount ear to secure the server. (I have heard this one called the
'earthquake screw' but the thing I want them for is making sure that when
I pull one server, only that one server is pulled. Badness can result
otherwise.)
I really don't see it as that necessary, provided what's going through
the hole extends far enough, or otherwise fastens to the rack.
The R600s 'spikes' extend about an inch back from the hole, and then
there is a fastening mechanism that means you won't be budging those
rails any time soon without lifting a blue lever on the front. The
rails proved capable of taking my weight pushing and pulling without so
much as blinking. Okay.. I'm only ~155lbs, but still. If something
shakes enough to cause those servers to drop off their mountings I'm
going to have far more serious problems to worry about, like probably
the entire cabs worth of servers having just written off their hard disks.
Paul
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