On 2/27/23 07:30, Neale Ferguson wrote:
- cp /etc/dasd.conf /etc/dasd.conf.save

- echo "0.0.0124" >>/etc/dasd.conf (and repeat for each address - NOTE the >>)
OR
- printf "0.0.0124\n0.0.0125\n0.0.0126\n0.0.0127\n" >>/etc/dasd.conf

- cat /etc/dasd.conf (to make sure it looks okay)

That's good and fixes the persistent device configuration on the root file 
system.
I think you can do that once you dynamically fixed up the active device
configuration on the dracut emergency shell to continue booting successfully.
After all this, a rebuild of the initramfs and the boot record are likely
required to have subsequent boots work correctly out of the box:
https://public.dhe.ibm.com/software/dw/linux390/docu/lgu5dd06.pdf#%5B%7B%22num%22%3A311%2C%22gen%22%3A0%7D%2C%7B%22name%22%3A%22XYZ%22%7D%2C59.8677%2C697.459%2Cnull%5D
(https://www.ibm.com/docs/en/linux-on-systems?topic=bd-rebuild-initrd)

--
Mit freundlichen Gruessen / Kind regards
Steffen Maier

Linux on IBM Z and LinuxONE

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