HP monitoring

From: DJE (david.ehresmann_at_ps.net)
Date: 08/04/04 

Date: 4 Aug 2004 07:46:21 -0700

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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