Is possible to desactivate one cpu of one npar?

[Carme Torca]

Hi,

I have one npar with 3 dual core cpus, and I would like to desactivate 1 dual core cpu, is it possible?

Thanks a lot of!
Carmen.

[rariasn · Accepted solution]

Hi,

http://forums11.itrc.hp.com/service/forums/questionanswer.do?admit=109447626+1277650560554+28353475&threadId=148409

rgs

[Torsten.]

Yes, but procedure is different for HP9000 and Integrity servers.

Send

# model

please.

[Carme Torca]

Here you are,

ia64 hp server rx7640

[Carme Torca]

Hi,

I have do it with:

icapmodify -d 2

Thanks a lot of!
Carmen.

[Carme Torca]

icapmodify -d 2

[Torsten.]

Do you have icap CPUS?

Its also possible from EFI:

Shell> cpuconfig

PROCESSOR MODULE INFORMATION

# of L3 L4 Family/
CPU Logical Cache Cache Model Processor
Module CPUs Speed Size Size (hex.) Rev State
------ ------- -------- ------ ------ ------- --- ------------
0 4 1.6 GHz 9 MB None 20/00 C2 Active
1 4 1.6 GHz 9 MB None 20/00 C2 Active
2 4 1.6 GHz 9 MB None 20/00 C2 Active
3 4 1.6 GHz 9 MB None 20/00 C2 Active

CPU threads are turned on.


Shell> help cpuconfig
Deconfigure or reconfigure cpus

CPUCONFIG [module [on|off]]
CPUCONFIG [threads [on|off]]
CPUCONFIG [pstates [on|off]]