On Wed, Sep 30, 2009 at 8:19 AM, Hearns, John <[email protected]> wrote:
> It depends. Supermicro use the shared-socket approach (actually it is a bridge > somewhere on the motherboard), or with Supermicro you can have a separate > socket using a little cable with a minu-USB connector onto the IPMI card. > Other manufacturers use (a) or (b). > On a blade setup the IPMI is carried over the backplane Ethernet links. > > > If you have a separate IPMI network (ILOM, DRAC, whatever they call it) you > do not need the same type of switches. What you need is some cheap 10/100 > switches, > one in each rack. Say Netgear or D-Link. Not a central switch with a huge > backbone capacity. > Then you just connect the switches together in a loop. > I like the shared socket approach. Building a separate IPMI network seems a lot of extra wiring to me. Admittedly the IPMI switches can be configured to be dirt cheap but it still feels like building a extra tiny road for one car a day when a huge highway with spare capacity exists right next door carrying thousands of cars. (Ok, cheesy analogy!) -- Rahul _______________________________________________ Beowulf mailing list, [email protected] sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
