Re: Why I don't see Node 0 when running numstat on one specific F23 server

David Rientjes <[email protected]> Mon, 28 Mar 2016 13:42:09 -0700 (PDT)
Newsgroups org.kernel.vger.linux-numa
Message-ID <[email protected]>
On Sun, 27 Mar 2016, Kevin Wilson wrote:

> Hello, Linux numa experts,
> 
> I have a server running F23 64 bit.
> When I run
> numastat
> I see only node 1.
> 
> On two other machines, I do see node 0 and not 1 (and in fact I think
> that this is the same for all the machines on which I have access in
> the past, which is quite a large number).
> 
> What is the reason for this ? is it configurable somehow (BIOS, kernel
> command line, etc)? could it bee
> a problem with RAM/HW on that specific machine?
> 

It's possible and allowed to only have node 1 (node 0 is hotpluggable on 
some configs), please send your dmesg if you'd like us to have a look.