Re: How to activate a hyperthreading processor

From: Brian Peasland <dba_at_nospam.peasland.net>
Date: Thu, 18 Oct 2007 09:17:31 -0500
Message-ID: <47175f12$0$26456$88260bb3@free.teranews.com>

Marc F. Neininger wrote:

> hpuxrac schrieb:

>> On Oct 18, 8:50 am, "Marc F. Neininger"
>> <doesnt.ex..._at_champagnierle.de> wrote:
>>> Hello,
>>>
>>> Is the number of CPUs determined and configured at boot time or at
>>> installation time?
>>>
>>> I installed 10g EE on a Debian Linux system. During installation the
>>> distro kernel was not capable of hyperthreading but worked.
>>>
>>> Now I changed the kernel to a custom built one which uses HT. My scripts
>>> do use both CPUS, the DBMS doesn't. The DMBS just switches from one to
>>> the second virtual CPU.
>>>
>>> TIA
>>>
>>> Marc
>>
>> Did you try re-linking?
>>

> 
> ??? Sorry, what do you mean by that? Reinstallation of the software?
> 
> Greets
> 
> Marc

Shutdown all of your Oracle software. Then do:

cd $ORACLE_HOME/bin
relink all

When complete, restart your Oracle software.

HTH,
Brian

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Brian Peasland
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Received on Thu Oct 18 2007 - 09:17:31 CDT