Eric Schrock wrote:
On Mon, Jan 07, 2008 at 04:17:32PM -0800, Richard Elling wrote:I have some heartburn over this statement. I think it will be confusing in thosescases where a set of domains may share the same physical chassis (eg. blade servers). Perhaps we need a different name, other than "chassis'?Chassis is already an established term in the hc:/ topology, with 'systemboard' to differentiate between multiple domains. I don't see any reason to deviate from the established convention, since the FMRIs in this case are in fact associated with the chassis, not some other construct.
The M9000 system with expansion cabinets and additional power cabinets is a good test of the intended topology. The M9000 base chassis contains some cpu/mem/IO as expected together with 15 PSUs in the front and 12 fan trays in the back. You may then connect an expansion cabinet that again has cpu/mem/IO and the same number of PSUs and fan trays, and these are cabled together with some giant cables that allow you to configure domains that span the two cabinets (as far as I can tell). Finally, both the base and expansion cabinet can be partnered by yet another power cabinet that has another 15 PSUs. So in total there are 4 chassis units all side by side, 2 of which are for power only. I suspect the M9000 is not a target system for this stage of the project, but we should plan to accomodate future extended systems such as this. Cheers Gavin
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