Dell Precision 530 + MPICH
Doug J Nordwall
nordwall at pnl.gov
Mon Feb 18 16:31:37 EST 2002
IIRC, apm is not smp safe, and it gets disabled at boot time.
On Mon, 2002-02-18 at 10:03, Jean-Christophe Ducom wrote:
> a)The machine is a Dell Precision Workstation530 (SMP Intel Xeon 1.7Ghz
> running Redhat 7.2 kernel 2.4.17).
> When the "poweroff" command is issued on the UP mode everything works
> fine: the machine is turned off.
> It's another story for the SMP mode (kernel smp loaded instead): all
> the unmounting stuff, stopping services run smoothly but the machine
> waits for me to push the power button to switch it off.
> Any ideas? I already tried the apm=power-off option at the boot
> b) SunGridEngine is the scheduler used on our cluster. Most of the users run
> using MPICH libraries. How can I prevent users to run MPI
> interactively and to bypass the scheduler? Should I write a script that checks
> every jobs on the nodes and kills the 'bad' ones? Is there any MPICH 'wrapper'
> for that?
> Does my question make any sense?
> Thank you for any information/suggestion.
> Jean-Christophe Ducom
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Douglas J Nordwall http://rex.nmhu.edu/~musashi
System Administrator Pacific Northwest National Labs
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