Re: question about upgrade to 11gR2 RAC

From: Mladen Gogala <gogala.mladen_at_gmail.com>
Date: Wed, 23 Jun 2010 06:25:49 +0000 (UTC)
Message-ID: <hvs9dd$488$1_at_news.eternal-september.org>



On Tue, 22 Jun 2010 17:43:25 -0700, Avijit wrote:

> Hi Mladen:
> I am rellay interested to know how you performed the upgrade? Did you do
> a rolling upgrade?

No. That is not possible with 10.2. There was a hefty downtime involved.

> Recently I was trying to test out a rolling upgrade from a 2 node
> 10.2.04 RAC to 11.2 on RHEL5. I have created a 1 node physical standby
> 10.2.0.4 and converted it to logical standby. Now my plan is to stop the
> logical apply and upgrade it to 11.2 and then start redo apply and once
> it is in sync qwith the primary do a switchover. If you also used the
> same process can you please share the steps here so that I can try to
> move forward.
> Thanks.

Nope. Nothing like that. I shut down both instances, upgraded CRS, then ASM then database. DBUI gives you a lot of options. The RAC was down during the whole procedure, which took approximately 3 hours of downtime. The whole thing went through smoothly.

-- 
http://mgogala.byethost5.com
Received on Wed Jun 23 2010 - 01:25:49 CDT

Original text of this message