Re: [Lhns-devel] Re: Who's doing what with cpu/memory/node hotplug?

Matthias Fouquet-Lapar
2004-05-19T09:30:39Z

> Also, I suspect that certain critical system resources (kernel arrays)
> are sized according to how many cpus or how much memory or such is
> available.
>
> Such placement and sizing can adapt to a few cpus and nodes coming and
> going later on in the life of that system boot, but having what looks
> like a one-lung system turn into a 512 cpu monster sometime after init
> has gone multi-user could result in considerable misconfiguraiton.

I also wondered about this. But doesn't a true hotplug implementation
used for partitions (or cell) reconfiguration require this flexibility
for "on-the-fly scaling" ?

Thanks

Matthias Fouquet-Lapar Core Platform Software mfl@sgi.com VNET 521-8213
Principal Engineer Silicon Graphics Home Office (+33) 1 3047 4127