[rescue] Sun Systems need to go away

[Peter Stokes]

> On the Sun Fires, the second PSU is required for cooling even when it is
not
> supplying power. The doc says you should not run with only one of two PSUs
> installed. So you're spinning extra fans and pushing air and heating up
your
> box for nothing, until you actually need the second PSU.

Not strictly true, there was a blanking module which was shipped in place of
one of the PSUs on some of the low spec versions of the V240. In general they
will work fine with just one attached as they were designed as redundant.