From: Adam Heath <adam@do...> - 2001-02-03 05:32:46
I'm sure everyone on this list has run uml. And most have probably run more
than one at the same time. However, what I am suggesting is something even
more far reaching.
There are systems in existance that are based on back-plane technology. Each
system board is hot swappable, and has its own memory, drives, ethernet,
etc. Certain functions are provided by the backplane itself, which can be
system monitoring, status of other cards plugged in, etc.
I'm thinking of working on a program that runs on the host, that provides this
backplane functionallity, and writing kernel drivers for uml to interface with
it. This could also have use in the main line kernel, when linux is used on
such a device.
In my particular application, the backplane has an ethernet hub, and all cpu
boards plugged in have one ethernet device hooked up to this(they have other
ether devices, but those are separate ports). There is also a multi-drop
serial port, along with status leds, and a system-address bit. Also, each cpu
board knows what slot it is plugged in to.
I think that this is similiar to what the S/390 project has done, when running
multiple partitioned linuces.
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