Re: How identical does RAC nodes has to be?

From: onedbguru <onedbguru_at_yahoo.com>
Date: Sat, 25 Dec 2010 08:34:44 -0800 (PST)
Message-ID: <16103145-03fc-4441-a5c7-7edb4818d11a_at_j29g2000yqm.googlegroups.com>

On Dec 22, 5:32 pm, joel garry <joel-ga..._at_home.com> wrote:
> On Dec 22, 12:05 pm, charles <dshprope..._at_gmail.com> wrote:
>
> > We are trying to add a new node to our existing cluster.
>
> > The new node has 4x8c, while the existing ones have 4x4, definitely
> > different chip sets.
>
> > Does not matter?  Can we mix those two kinds of server together?
>
> > Thanks for your help
>
> FWIW, 2-day RAC (http://download.oracle.com/docs/cd/B28359_01/rac.111/b28252/intro_tdp...
> andhttp://download.oracle.com/docs/cd/E11882_01/rac.112/e17264/intro_tdp...
> ) says:
> "Oracle RAC does not support machines having different chip
> architectures in the same cluster. However, you can have machines of
> different speeds and sizes in the same cluster."
>
> Whatever that means.  And we all know how 2 day DBA's are always right
> and never lie.
>
> jg
> --
> _at_home.com is bogus.
> As Larry Ellison once said “Success is not enough, you need to see
> others fail”.

It means that you can not mix a PowerPC with Intel or Intel with Solaris as these actually use different binary sets and Endian-ness may come into play as well -- I am not completely sure about Intel vs AMD. Received on Sat Dec 25 2010 - 10:34:44 CST