Re: Please help to put 2 Linux/Oracle VMs into a H/A cluster

From: Steve Howard <stevedhoward_at_gmail.com>
Date: Sat, 3 Jul 2010 14:13:22 -0700 (PDT)
Message-ID: <efc07cd6-13d3-4534-bf97-fd76fc57f5e5_at_u26g2000yqu.googlegroups.com>



On Jul 3, 3:02 am, "Dmitry Bond." <dima_..._at_ukr.net> wrote:
> Hi.
>
> Before providing new release of our product to a customer I would like
> to test it in the conditions it could  face on a production
> environment. So, I'm thinking how to create/configure a high-
> availability cluster of 2 Linux/Oracle VMs.
>
> Thus, as a source we have:
> 1) VmWare VirtualMachine with CentOS Linux 5.4 x86 and Oracle 11.2
> Enterprise installed on it. Static IP=192.168.18.91,
> hostname=centosvm01.
> 2) the same VirtualMachine created as a copy of 1st one with only the
> diff = Static IP=192.168.18.92, hostname=centosvm02.
> Note: if need more than 2 VMs for such task - ok, I'm ready to create
> one more. :)
>
> Both VMs are working fine - ping, tnsping, connectivity from client
> computers - all working ok. I have checked that Oracle on both VMs is
> up and running after 2nd VM was created as a clone of 1st VM.
>
> The question is - what is next?!
> How to put these 2 VMs into a high-availability cluster?
>
> I mean - the Oracle database high-availability cluster, so I expect
> that client computers (also - some application on cluster nodes)
> connect Oracle database using the clustrer IP address, if one node
> shutdown client applications continue working and do not know anything
> about problems with particular node, when node is up and running again
> it has up-to-date data in a database.
>
> I have browsed lot of resources in the internet but still have not
> found any description of concrete steps what to do setup/configure to
> have a high-availability cluster.
> According to a resources I have read the Oracle 11.2 should be able to
> do it, seems it should have all required components included but ..
> how?! :-)
>
> Please help me.
> Would be nice to see something like a "Oracle H/A Cluster QuickStart
> Guide", etc.
>
> Regards,
> Dmitry.
>
> PS. In couple of month customer going to buy a new Linux/Oracle H/W.
> But "couple of month" that is quite a long and undefined term and we
> cannot wait. We need some H/A cluster to test our software just now!

I don't know if Oracle now supports their database on their own VM, but it sounds like you are describing a need that may be solved with Oracle RAC. Received on Sat Jul 03 2010 - 16:13:22 CDT

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