> All my systems are built to run under VM or MVS w/o > change. I do have the extint module in so that I can > shut them down cleanly under VM, so that is not a > problem. [...] > However, if anyone uses the HMC reset button or IPL > button or activate/deactivate button on the HMC, the > LPAR Linuxes often are damaged. > Shutting down an LPAR generates the same architectural signal as a VM SIGNAL SHUTDOWN command (in fact, the hardware "feature" is what the command emulates). You may want to check that the use of the external signal trap is enabled in both your configurations -- it should work in both, and that's at least one more dumb human trick that you can try to prevent.
> I starting to believe that we may be the only shop in > the world running Linux under an LPAR! You're the only one I know of who does so in production (and is willing to admit it). There are undoubtedly good reasons to do it, but it does introduce a more than fair amount of inconvenience. -- db
