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тАО08-14-2002 11:35 PM
тАО08-14-2002 11:35 PM
Is it able to disable/enable 2 of 4 CPUs in a rp8400 machine ? Because I want to use 2 at day time and use 4 at night to perform some loading test.
Regards,
Patrick
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тАО08-15-2002 12:02 AM
тАО08-15-2002 12:02 AM
Re: Disable 2 of 4 CPUs in rp8400
one way is to use the gsp and config menus to dsable 2 cpu's at next boot, and then reboot the box.
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тАО08-15-2002 12:07 AM
тАО08-15-2002 12:07 AM
Re: Disable 2 of 4 CPUs in rp8400
Is there any document that show out the steps in doing this ?
Regards,
Patrick
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тАО08-15-2002 01:03 AM
тАО08-15-2002 01:03 AM
Re: Disable 2 of 4 CPUs in rp8400
i can't find one on the technical knowledge base except a rather old one for k-classes.
see
http://support2.itrc.hp.com/service/cki/docDisplay.do?docLocale=en_US&docId=200000024628325
Hope this helps!
Best Regards
Yogeeraj
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тАО08-20-2002 01:29 PM
тАО08-20-2002 01:29 PM
SolutionFirst you need to shut down the system and get to the BCH prompt on the console. You will need to login to the service processor, access the console for the partition of interest via the "CO" command, login as root and shutdown the system. If your system is set to autoboot, you will have to hit a key within 10 seconds after the reset is complete to avoid booting again.
at the BCH prompt, enter co to access the COnfiguration menu:
Main Menu: Enter command or menu > co
from the configuration menu, you can use the CPU command to display cpu configuration information and enable and disable individual cpu:
Configuration Menu: Enter command > cpu 0 3 off
with the above command I have disabled cpu 3 in cell 0.
After enabling/disabling processors, you will need to reset the partition with the BCH reboot command:
Configuration Menu: Enter command > reboot
Rebooting the partition ...
Accessing BCH is described in the Administration for nPartitions Guide in the chapter titled
"Using Console and Service Processor Interfaces":
http://docs.hp.com/hpux/onlinedocs/B2355-90752/B2355-90752.html
BCH commands are described in the Superdome PDC interface doc:
http://docs.hp.com//hpux/onlinedocs/1404/superdome/content/hrdwr/cellfirmw/userinterpdc/37.html