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

Hi John

you may well have access to them, but it raised a question in my mind about
the actual entitlement.
I personally would check - but that's partly because I work for a BP and
manage hosted environments so I like to be 100% certain about the
licensing.
I think it would probably be fine for a recovery, but building a new
partition even temporarily might be a different scenario.
Depending on the why I might just go ahead and do it but hard to say
without knowing the "why"

The many conversations I have had about licensing with IBM tell me that
what is obvious and appears reasonable is not always what is allowed
(that's not to say IBM have ever been anything other helpful)


On Thu, Dec 20, 2018 at 12:52 PM John Allen <jallen@xxxxxxxxxxx> wrote:

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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