[rescue] Hardware failure
nick at pelagiris.org
Sun Jul 23 11:26:57 CDT 2006
Take a look at Thumper (sun X4500). It's exactly what should be done with
Opterons. Bit short on I/O though, it does not max out any of the HT busses.
On Sat, Jul 22, 2006 at 12:40:24PM -0400, Ian Viemeister wrote:
> On Sat, 22 Jul 2006, Charles Shannon Hendrix wrote:
> > Right now, unless you can show me an example otherwise, all PCs with HT
> > are currently using HT as a frontside bus, with the CPU as master, and
> > several slave hosts on it, usually northbridge and southbridge. My own
> > motherboard also puts SATA on HT.
> Like these examples? (Block diagram on second page of each):
> These at least split onboard I/O and PCI/PCI-e busses over two HT links,
> each attached to one CPU of a four socket board. Neat thing about these
> boards is the two "external" HT links, to hookup a "daughterboard" (more
> like kid-sisterboard, really :-) that is basically a copy of the main
> motherboard, minus I/O -- four more CPU sockets, 16 more DIMM sockets.
> Nice boards. They max out at 8 sockets (16 cores with DC-8xx CPUs), and
> 128GB of RAM.
> I'll grant you that I haven't seen a single or dual socket board with the
> same sort of HT configuration, though.
> rescue list - http://www.sunhelp.org/mailman/listinfo/rescue
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