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Re: Completely unsupported, I know (RAC 11g on a laptop)

From: Michael Austin <maustin_at_firstdbasource.com>
Date: Tue, 28 Apr 2009 21:45:28 -0500
Message-ID: <ibPJl.28708$YU2.2077_at_nlpi066.nbdc.sbc.com> 





Palooka wrote:


> johnbhurley_at_sbcglobal.net wrote:


>> On Apr 27, 8:29 pm, Palooka <nob..._at_nowhere.com> wrote:
>>> I am trying (for self educational purposes) to install RAC (11g) on a
>>> laptop using VMware with two guest clients (CentOS5 masquerading as
>>> RHEL5) in a cluster.
>>>
>>> Does anyone have an idea what the minimum physical RAM is on the host?
>>> I have 2GB, so when I try to allocate 1GB each to the nodes it gets a
>>> bit unstable. However, if I allocate 512M to each guest, their OS is
>>> perfectly stable, but there does not seem to be sufficient resource to
>>> start the ASM instances successfully.
>>>
>>> I think I need to upgrade the laptop to 4GB physical RAM before this
>>> will work. What is the opinion of the panel?
>>
>> Well instead of just guessing one alternative is to search around a
>> little and see what other people have documented and proven.
>>
>> Jeffrey Hunter has one of the best sites for complete documented
>> Oracle examples including a ton of RAC work using various
>> techniques ... see http://www.idevelopment.info
>>
>> He has a VM environment of some type using one 2 gig machine ( think
>> it was 10g not 11g ) ...
>>
>> Create an Oracle RAC 10g Release 2 using VMware Workstation 5 -
>> (CentOS 4.4)




> Thank you for the helpful advice. Actually I had searched around more 

> than a little, and had studied the Oracle documentation. I was just 

> seeking some practical advice, for which I thank the other posters.

> 

> I am going to go for the memory upgrade (assuming my laptop will support 

> it), so as to improve the performance a bit.

> 

> However, the good news is that I am almost there, in advance of the 

> memory upgrade:

> 

> daddy_at_daddy-laptop:~$ ssh oracle_at_redhat1

> oracle_at_redhat1's password:

> Last login: Tue Apr 28 21:30:54 2009 from daddy-laptop

> [oracle_at_redhat1 ~]$ crs_stat -t

> Name           Type           Target    State     Host

> ------------------------------------------------------------

> ora....C1.inst application    ONLINE    ONLINE    redhat1

> ora....C2.inst application    ONLINE    ONLINE    redhat2

> ora.MOJRAC.db  application    ONLINE    ONLINE    redhat1

> ora....SM1.asm application    ONLINE    ONLINE    redhat1

> ora....T1.lsnr application    ONLINE    ONLINE    redhat1

> ora....at1.gsd application    ONLINE    ONLINE    redhat1

> ora....at1.ons application    ONLINE    ONLINE    redhat1

> ora....at1.vip application    ONLINE    ONLINE    redhat1

> ora....SM2.asm application    ONLINE    ONLINE    redhat2

> ora....T2.lsnr application    ONLINE    ONLINE    redhat2

> ora....at2.gsd application    ONLINE    ONLINE    redhat2

> ora....at2.ons application    ONLINE    ONLINE    redhat2

> ora....at2.vip application    ONLINE    ONLINE    redhat2

> [oracle_at_redhat1 ~]$ cat /proc/meminfo | grep MemTotal

> MemTotal:       515444 kB

> [oracle_at_redhat1 ~]$

> 

> Palooka





Just curious, but what are you using for "shared storage" for the 
OCR/Voting devices and how do you have it configured?
Received on Tue Apr 28 2009 - 21:45:28 CDT












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