Re: Offline Processors in Multiprocessor servers running SMP kernel

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On Thu, 2004-01-22 at 21:57, Shan Jing wrote:
> Hi,
> 
> Is there a way to offline certain processor(s) in a SMP kernel environment?

No, there's no hotplug cpu support in 2.4

> We have IBM x445 4-way Itanium 2 server running 2.4.21 SMP kernel.  If we want to disable cpus on the server, can we do that on the fly?  (like Solaris "psradm" command)

Nope.

> Do we need to recompile the kernel if we decide to run the kernel in single cpu configuration (on the same box)?

You can boot with the maxcpus=1 parameter for the same effect.

	Dave


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