On Wednesday 24 October 2007 21:04:46 Jung-uk Kim wrote: > For remote server management, there are two major APIs: > > ASF by DMTF: > http://www.dmtf.org/standards/asf/ > > IPMI by Intel: > http://www.intel.com/design/servers/ipmi/ > > The main goal of the two technologies is the same, i.e., out-of-band > server management. Both use Remote Management and Control Protocol > (RMCP) for the network protocol but ASF is implemented on NIC > firmware level while IPMI is implemented on baseboard management > controller (BMC). Now BCM57xx firmware has built-in ASF stack and > the interface can be shared with BMC. If there is a BMC on-board and > network controller is shared, obviously you cannot just reset the > controller, etc. You have to 'tell' the firmware that you are about > to do critical things, such as reset, start, stop, link negotiation, > etc, so that it can communicate with BMC beforehand. If you turn on > hw.bge.allow_asf, it does just that. Unfortunately, it does not work > for all systems in the real world because they are not created equal, > e.g., different spec. revisions, hardware implementations, firmware, > BIOS, etc. Basically some system fails *without* it while some > system fails *with* it. Hence, the tunable was necessary. At least, > that is how I understand it. thank you, that was great but would really not harm to put something about resumed into the man page -- João A mensagem foi scaneada pelo sistema de e-mail e pode ser considerada segura. Service fornecido pelo Datacenter Matik https://datacenter.matik.com.brReceived on Thu Oct 25 2007 - 11:02:52 UTC
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