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altinst_rootvg

Checking the state of the disks , you can see the old_rootvg has been renamed to altinst_rootvg and is now active .

After the migration is complete , I confirm that the bootlist is set to the nst_rootvg disk .

altinst_rootvg : with good copy pre-upgrade.

The boot list is also changed to boot off altinst_rootvg.

To get back to the pre-upgrade, simply change the bootlist to boot off the (altinst_rootvg) hdisk1, then reboot . It's that simple