bob at drzyzgula.org
Tue Nov 11 11:17:50 EST 2003
I will add that the ability of a second
gigabit adapter to add to the total
bandwith available to a node will depend
a great deal on (a) the architecture of
the node and (b) the adapter chosen.
For example, two 32-bit gigabit adapters
on the same PCI bus aren't going to do
you much good, while two 64-bit adapters
on separate PCI busses might.
On Tue, Nov 11, 2003 at 09:05:10AM -0600, Gerry Creager N5JXS wrote:
> One key element to look at is fabric speed. If the backplane can't keep
> up to wire-speeds, you're going to suffer some slowdown and latencies
> associated with the network. Whether that's a problem in your
> installation, or not, we can't tell from this range. However, if
> there's sufficient money I'd be buying the most capable switch I could
> from a backplane and port sustainability point as I could.
> Keyan Mehravaran wrote:
> >I am planning to connect 8 dual Xeon PCs
> >with onboard gigabit through a switch and
> >I only need access to the "zeroth" node.
> >I have two questions:
> >1) Is there any benefit to using "managed"
> > switch rather than the "unmanaged" ones?
> >2) Is it possible to increase bandwidth by
> > adding an extra gigabit NIC to each node?
> > If the answer is yes, then should all the
> > 16 ports connect to the same switch?
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