It depends how you will be booting the VIOS to recover it.
Will you be using installios from the HMC, or vios image from USB for example?
If you boot from USB you have an option to change the installation defaults and select the hdisk that you prefer.

Regards

Sent from Outlook for iOS<https://aka.ms/o0ukef>
________________________________
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> on behalf of Larry "DrFranken" Bolhuis <midrange@xxxxxxxxxxxx>
Sent: Friday, December 2, 2022 5:05:21 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>; MidrangeL <midrangel@xxxxxxxxxxxxxxxxx>
Subject: Re: Install VIOS on specific Disk unit

I'm lazy and take the one I don't want to smoke out of the frame. :-)

But then I'm guessing your fingers are not in the same room as your
drives... ;-)

On 12/2/2022 10:45 AM, MidrangeL wrote:
Folks: (vios 3.1.3.21)

I need to reload the VIOS from scratch (reasons beyond discussing here)
with internal disk units. We have a pair mirrored, and I'll break the
mirroring in the same way we do to use the upgradeios command creating
an empty drive. How do I force the new installation on to that drive?
upgradeios has a disk unit parameter to use, but I don't see one in the
installios command.

So either I need to clear both drives (acceptable) or force the
installation onto the blank drive. Thoughts?


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Jim Oberholtzer
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