We ran into similar again on a couple of servers a week or two ago for unknown
reasons. Neither had recent disk changes.
This solved it for us
Boot with rescue media
vary on the devices with chzdev -e
Make a chroot environment with the following (your filesystems may vary)
mount /dev/dasda1
After various testing we found that the issue making the system doesn't boot is
when expanding the LVM OS file system, ex. /opt, /var. The Unix administrator
send a photo of a message when he resized the filesystem.
https://imgur.com/j57a7aL
When he reboots the system, the system stop under
