RE: HP-UX 11 kernal parameters for Oracle

The OS log is /var/adm/syslog/syslog.log

As Ron mentioned check ipcs  for how much shared memory the databases are
using.

Getting back to kernel parameters from a larger system...
shmmax          2147483647
shmmni          1024
shmseg          1024
semmni          8000
semmns          (SEMMNI*2)
semmnu          (NPROC-4)
semume          200
semvmx          32768
shmseg          1024

HTH
Dave


-----Original Message-----
From: Ehresmann, David [mailto:David.Ehresmann@xxxxxx] 
Sent: Thursday, August 05, 2004 1:13 PM
To: 'oracle-l@xxxxxxxxxxxxx'
Subject: RE: HP-UX 11 kernal parameters for Oracle

This is a cheap box they want us to keep using.  What logfile name on the
unix side would I look in to see if it is scsi bus and/or flacky
disk/controller?

thanks,
David.



-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx]On Behalf Of Ron Thomas
Sent: Thursday, August 05, 2004 11:58 AM
To: oracle-l@xxxxxxxxxxxxx
Subject: Re: HP-UX 11 kernal parameters for Oracle



I've seen this happen due to scsi bus resets caused by a flacky
disk/controller.  Just food for
thought.

BTW, you are running this many instances in only 4GB?  They must be really
really small or you are
hitting swap pertty hard.

Thanks,
Ron.

"To really screw up Linux you have to work at it...To really screw up
Windows, you have to work ON
it..."
"The software said to install Windows 98 or better... So I installed linux."


 

             David.Ehresmann@xxxxxx

             Sent by:

             oracle-l-bounce@xxxxxxxxxxx
To 
             rg                                  oracle-l@xxxxxxxxxxxxx

 
cc 
 

             08/05/04 09:49 AM
Subject 
                                                 HP-UX 11 kernal parameters
for Oracle              
 

                  Please respond to

               oracle-l@xxxxxxxxxxxxx

 

 

 





We have a development box that is HP-UX  B.11.11 9000/800. It has 4gb of
memory.  It is running anywhere from 5 to 7 8i instances and 3-5 9i
instances on any particular day.  Once every week it will "lock up".  vmstat
will show blocked processes and the %wio will go to the high 90s.  Nothing
crashes or dies, it just appears to have to many processes to run.  I have
used TOP to look at the processes running.  I see nothing unusual.  Can
anybody share their kernal parameters for HP that they have running 8i and
9i on?  Particularly the shmmax, shmmni, ... and so on.  Any help will be
greatly appreciated.

David Ehresmann     PerotSystems
david.ehresmann@xxxxxx
972.577.6236

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