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

2009-03-24 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. Could

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 other

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 any

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, another

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 one

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 disk

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 investigating saw