Re: Patching terminology

From: The Boss <nltaal_at_baasbovenbaas.demon.nl>
Date: Wed, 28 Apr 2010 10:08:18 -0700 (PDT)
Message-ID: <8dab1412-8fb2-406b-b3d4-724dbc0304e8_at_h11g2000vbo.googlegroups.com>



On Apr 28, 4:52 pm, Chuck <chuckh1..._at_gmail.com> wrote:
> What is the difference between CPU, PSU, PSE, and MLR? I see all of
> these terms in the MOS (My Oracle Support) patching recommendations but
> no explanations.
>
> I know what a PSU and CPU are.  CPU="Critical Patch Update" and it
> includes only security related patches. PSU="Patch Set Update" and it
> includes the most recent CPU  plus additional non-security bug fixes.
>
> What are PSE's and MLR's though and how do I know if I really need them?
>
> Also I thought Oracle said once you start applying PSU's to an oracle
> home you should not revert back to CPU's, however in my OMS home I've
> applied PSU's, yet the patch recommendations both in Grid Control and
> MOS are recommending the latest CPU. Do I have it backwards? Is it ok to
> go from PSU to CPU but not CPU to PSU?

Here you can find a nice 44-page PDF "Patching and HA environments" that covers all these acronyms:
http://www.ogh.nl/downloads/OGH20100303_PHYLIPE_BRYS.pdf

HTH.

--
Jeroen
Received on Wed Apr 28 2010 - 12:08:18 CDT

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