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Home > Archive > Unix administration > August 2004 > HP monitoring
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| I am trying to monitor a situation on an HP-UX B.11.11 9000/800
server. It has 4gb of ram
and 72gb of disk space. Once every 2 weeks or so it locks up. If you
run vmstat you can
see blocked processes:
$vmstat 5 10
r b w
1 98 0
1 98 0 .....
and so on.
The sar command will show:
$sar -M 5 5
09:46:21 cpu %usr %sys %wio %idle
09:46:26 0 0 0 99 1
1 0 0 98 2
system 0 0 99 1
09:46:31 0 0 0 97 3
1 0 0 98 2
It shows all idle wait I/O.
How change I monitor this situation or determine what is happening?
Any help will be greatly appreciated.
thanks,
David.
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| phn@icke-reklam.ipsec.nu 2004-08-05, 8:49 am |
| DJE <david.ehresmann@ps.net> wrote:
> I am trying to monitor a situation on an HP-UX B.11.11 9000/800
> server. It has 4gb of ram
> and 72gb of disk space. Once every 2 weeks or so it locks up. If you
> run vmstat you can
> see blocked processes:
> $vmstat 5 10
> r b w
> 1 98 0
> 1 98 0 .....
> and so on.
> The sar command will show:
> $sar -M 5 5
> 09:46:21 cpu %usr %sys %wio %idle
> 09:46:26 0 0 0 99 1
> 1 0 0 98 2
> system 0 0 99 1
> 09:46:31 0 0 0 97 3
> 1 0 0 98 2
>
> It shows all idle wait I/O.
> How change I monitor this situation or determine what is happening?
> Any help will be greatly appreciated.
Try the 'top' command, or even better buy "glance+" from hp, it's
a very good tool to se current status of the system.
You should also examine logfiles for any hints to your problems.
wio could indicate disc problems and thos would probably be logged
also.
> thanks,
> David.
--
Peter Håkanson
IPSec Sverige ( At Gothenburg Riverside )
Sorry about my e-mail address, but i'm trying to keep spam out,
remove "icke-reklam" if you feel for mailing me. Thanx.
| |
| Steven Langdale 2004-08-14, 7:48 am |
| On 4 Aug 2004 07:46:21 -0700, david.ehresmann@ps.net (DJE) wrote:
>I am trying to monitor a situation on an HP-UX B.11.11 9000/800
>server. It has 4gb of ram
>and 72gb of disk space. Once every 2 weeks or so it locks up. If you
>run vmstat you can
>see blocked processes:
>
>$vmstat 5 10
>
>r b w
>1 98 0
>1 98 0 .....
>
>and so on.
>
>The sar command will show:
>
>$sar -M 5 5
>
>09:46:21 cpu %usr %sys %wio %idle
>09:46:26 0 0 0 99 1
> 1 0 0 98 2
> system 0 0 99 1
>09:46:31 0 0 0 97 3
> 1 0 0 98 2
>
>It shows all idle wait I/O.
>
>How change I monitor this situation or determine what is happening?
>Any help will be greatly appreciated.
>
>thanks,
>
>David.
David
Are you using NFS mounted filesystems with automounter? I've seen this
when the atomounter has failed to mount a filesystem and keeps trying.
steven
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