RE: 11g RedHat 5 and Hugepages? anybody successful ?
- From: "Crisler, Jon" <Jon.Crisler@xxxxxxx>
- To: "Howard Latham" <howard.latham@xxxxxxxxx>, <don@xxxxxxxxx>
- Date: Mon, 11 Oct 2010 15:36:46 -0400
I am using 64 bit- in fact, I wonder if the kernel type has anything to
do with my issues. In Red Hat 4, I think the hugemem kernel was
required to get support beyond 16gb. I am not sure what kernel versions
are available for 64 bit Red Hat 5. Here is my kernel type-
2.6.18-164.9.1.el5 #1 SMP Wed Dec 9 03:27:37 EST 2009 x86_64 x86_64
x86_64 GNU/Linux
-----Original Message-----
From: Howard Latham [mailto:howard.latham@xxxxxxxxx]
Sent: Monday, October 11, 2010 3:26 PM
To: don@xxxxxxxxx
Cc: s.cislaghi@xxxxxxxxx; Crisler, Jon; oracle-l@xxxxxxxxxxxxx
Subject: Re: 11g RedHat 5 and Hugepages? anybody successful ?
Why not use 64 Bit?
On 11/10/2010, Don Seiler <don@xxxxxxxxx> wrote:
> You can NOT use memory_target or memory_max_target with HugePages.
That's a
> non-starter.
>
> Don.
>
> On Mon, Oct 11, 2010 at 1:17 PM, Stefano Cislaghi
> <s.cislaghi@xxxxxxxxx>wrote:
>
>>
>> Hi,
>> two possibile solution:
>>
>> 1. Open SQLPlus and even with instance in idle execute:
>> create pfile='/tmp/pfilename' from spfile='+ASM/path/to/spfile';
>>
>> Modify the pfile and then following the same procedure create a new
spfile
>> from memory
>>
>> 2. Create a standard pfile, startup nomount your instance and do the
step
>> 1
>> 3. With asmcmd you may copy the spfile from ASM to disk, using
strings
>> command convert it in plain text and then use if as a pfile
>>
>> BTW, I always avoid to have the spfile in ASM for this and many other
>> similar reasons.
>>
>> Ste
>> --
>> http://www.stefanocislaghi.eu
>>
>>
>
>
> --
> Don Seiler
> http://seilerwerks.wordpress.com
> ultimate: http://www.mufc.us
>
--
Howard A. Latham
Sent from my Nokia N97
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