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 -- Shrike-list mailing list Shrike-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/shrike-list