RE: Install (or rollback) to previous version of OS

["John Allen" <jallen@xxxxxxxxxxx>]

Evan,

So you are saying you do not think I can download the 7.1 Optical
Images onto the 7.2 partition and then do a slip install from it
resulting in a partition with 7.1?


John

-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of
Evan Harris
Sent: Wednesday, December 19, 2018 6:29 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
Subject: Re: Install (or rollback) to previous version of OS

Hi John

To be clear, what I understand you want to do is load V7R1 media into
a
V7R2 LPAR and then run the upgrade (or whatever) process in such a way
that the system is reverted to V7R1.
As far as I am aware what you are asking is not possible. You can't
back level an Operating System to an older version once updated.

if you want a V7R1 LPAR you will need to build one from scratch and
restore the data to it somehow (I've never tried this)

I am wondering if you need V7R1 Extended support to be entitled to
download the media and patches now that it is out of support.


On Thu, Dec 20, 2018 at 12:07 PM John Allen <jallen@xxxxxxxxxxx>
wrote:

> No need to ask why I need to do this, trust me I need to do this.
>
>
>
> I have a Power 8 with 4 partitions.
>
> All partitions are currently running 7.2
>
> Currently in the process of updating one partition to 7.3
>
> Want to update one partition back to 7.1 (not even sure if this is 
> called update? rollback? downgrade?)
>
>
>
> At one point in the past I had CD's for 7.1 but can't find them now.
>
> I am under SWMA so I can get 7.1 from IBM (download from IBM web
site, 
> can't find a way to order 7.1 CD's).
>
>
>
> My question is: What is the easiest way for me to install 7.1 on one

> of the partitions running 7.2?
>
>
>
> Thanks in advance for any suggestions or advice
>
>
>
> John
>
>
>
>
>
>
>
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