Re: upgrade OL6 tot OL7 within Cluster

  • From: Bernhard de Cock Buning - GRID-IT <bdcbuning@xxxxxxxxxx>
  • To: "Mark J. Bobak" <mark@xxxxxxxxx>
  • Date: Fri, 18 Dec 2015 09:00:41 +0100

Hi Mark,

Thanks for your reply, it triggered me to double check the docs and in chapter
4 I found this:

4.1 Conditions for Performing an Inplace Upgrade

Inplace upgrades are supported only for systems that run Oracle Linux 6 Update
5 or later. The following conditions must also be met:

The system must meet the minimum installation requirements for Oracle Linux 7,
see Section 1.1, “System Requirements”
<https://docs.oracle.com/cd/E52668_01/E54695/html/ol7-install-requirements.html>.

The Oracle Linux 6 system has been completely updated from the
ol6_x86_64_latest channel or ol6_latest repository.

Oracle Unbreakable Enterprise Kernel Release 3 (UEK R3) must be installed on
the system and must be the default boot kernel. Upgrading from UEK R2 is not
supported.

The Oracle Linux 6 system must have been installed using the Minimal set of
software.

No Oracle product stack is present on the system.


Thanks, I know enough for now!

Bernhard de Cock Buning


Op 18 dec. 2015, om 05:45 heeft Mark J. Bobak <mark@xxxxxxxxx> het volgende
geschreven:

I was just reading about this a couple of days ago. Upgrade from OL6 to OL7
without reinstall is very limited. O/S had to have been installed with
Minimum configuration, no Oracle stack can be installed, etc.

My guess is that relink should fix any issues with Oracle dB binaries, but
from a supportability point of view, you would not be in compliance.

You're probably better off building a new cluster and migrating to it.

Hope that helps,

-Mark


On Thu, Dec 17, 2015, 23:10 Bernhard de Cock Buning - GRID-IT
<bdcbuning@xxxxxxxxxx <mailto:bdcbuning@xxxxxxxxxx>> wrote:
Hello,

I am wondering if their are user who have experiences performing an OS
upgrade from ol6 to ol7.
Please share you experience, was it an easy taks, did you relink Oracle after
the upgrade? How much time did it took. Did you run into issues?

Thank you!
Bernhard

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