Re: [CentOS] question about top output

2009-03-24 Thread Scott Silva
on 3-24-2009 7:30 AM Greenseid, Joseph M (IS) spake the following: >> Can you swap the disk drives with a node that works OK? > > i will try that when i get back to the data center and can swap the nodes. > > >> Have you compared BIOS setups? Something tells me this is like >> interrupts related

Re: [CentOS] question about top output

2009-03-24 Thread Greenseid, Joseph M (IS)
> Can you swap the disk drives with a node that works OK? i will try that when i get back to the data center and can swap the nodes. > Have you compared BIOS setups? Something tells me this is like > interrupts related. Could even be poorly seated hardware: memory, power > or data cables, video,

Re: [CentOS] question about top output

2009-03-23 Thread William L. Maltby
On Mon, 2009-03-23 at 23:22 +0100, Mogens Kjaer wrote: > Greenseid, Joseph M (IS) wrote: > ... > > > From what I can see, this one node is running slow. I don't have any > > MCE entries or anything to indicate a hardware fault, it just started > > running slow one day, and I when I was investiga

Re: [CentOS] question about top output

2009-03-23 Thread Mogens Kjaer
Greenseid, Joseph M (IS) wrote: ... > From what I can see, this one node is running slow. I don't have any > MCE entries or anything to indicate a hardware fault, it just started > running slow one day, and I when I was investigating saw the top > output and was baffled by it. Can you swap the d

Re: [CentOS] question about top output

2009-03-23 Thread Greenseid, Joseph M (IS)
> Hm, another thing: Have you used the I toggle > in top (IRIX vs. Sun)? toggling "I" doesn't give me anything that would explain my confusion. I have a few dozen systems with exactly matching hardware and exactly matching OS installations (image based installs). This one system is the only o

Re: [CentOS] question about top output

2009-03-23 Thread Mogens Kjaer
Greenseid, Joseph M (IS) wrote: ... > The way they interact, I can't really stop them while they're running, but I > can run a configuration where there are only 4 of them running on the node. > Would that give you similar information to what you wanted to see, or not be > worth it? Hm, anothe

Re: [CentOS] question about top output

2009-03-23 Thread Greenseid, Joseph M (IS)
> > below is the output of top off a machine i have, sorted by CPU > > utilization. > > > > my question is, how can all 8 CPUs say they're pegged at 100% user > > utilization, when there are just these 8 processes saying they're > > using 25% of a CPU each, and no other processes showing up taking

Re: [CentOS] question about top output

2009-03-23 Thread Mogens Kjaer
Greenseid, Joseph M (IS) wrote: > hi all, > > below is the output of top off a machine i have, sorted by CPU > utilization. > > my question is, how can all 8 CPUs say they're pegged at 100% user > utilization, when there are just these 8 processes saying they're > using 25% of a CPU each, and no