"best" is also a point of view (or a religion perhaps). I was raised with CMS 
so I do like CMS a lot. The CP commands in the directory remove a lot of the 
need for executing command within a PROFILE EXEC. So far I have dismissed this 
configuration because I am (too much?) accustomed to CMS.

I'm just curious if sticking to CMS would be indeed the "best" way to configure 
our guests in future environments. Especially when provisioning products might 
not handle the CMS configuration for a guest PROFILE EXEC or AUTOLOG1 
configuration.

Met vriendelijke groet/With kind regards/Mit freundlichen Grüßen,
Berry van Sleeuwen


-----Original Message-----
From: Linux on 390 Port [mailto:[email protected]] On Behalf Of Alan 
Altmark
Sent: Friday, January 22, 2016 11:37 PM
To: [email protected]
Subject: Re: SSI guest best practice

On Friday, 01/22/2016 at 10:10 GMT, "van Sleeuwen, Berry"
<[email protected]> wrote:
> So the question is what would be the best way to configure the new
setup.
> Either remove CMS dependency altogether or detach the disks after we
don't need
> CMS anymore (in the PROFILE EXEC or after Linux IPL has been completed).
It
> might depend on the requirements in other (provisioning) products.

"Best" is a point in time assessment, Berry.  The good news is that it's easy 
to switch from CMS boot to Linux boot, and vice versa, as your needs change.

o If you IPL CMS first, DETACH the disks before you IPL Linux.
o If you IPL Linux first, then make sure you don't have the CMS disks in the 
directory.

Alan Altmark

Senior Managing z/VM and Linux Consultant Lab Services System z Delivery 
Practice IBM Systems & Technology Group ibm.com/systems/services/labservices
office: 607.429.3323
mobile; 607.321.7556
[email protected]
IBM Endicott

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