Re: Patching terminology

> > 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?
>
> PSU => Patch Set Update  apprears to be specific bug fixes
>
> PSE => Patch Set Exception
> "Oracle provides patch sets that include generic and port specific
> fixes encountered by customers since the base product was released"
> and "The patch set exception bundles also include the fixes for the
> CPU (Critical Patch Update), DST (Daylight Saving Time), PSU (Patch
> Set Update) and Recommended Patch Bundles"
>
> Ref: Oracle Database Server and Networking Patches for Microsoft
> Platforms #161549.1
>
> HTH -- Mark D Powell --

An alternate explanation for PSU's might be to say since Oracle support got really behind in delivering Patch Sets on a timely basis they came up with something else to keep you updated between Patch Sets.

They claim they are well tested. Received on Wed Apr 28 2010 - 11:40:31 CDT