Why does the RHEL 8 system boot into emergency mode with `Failed to switch root` error ?

Solution Verified - Updated -


  • During boot system goes to Emergency mode with Failed to switch root error. Observing below error in the rdsosreport.txt file :

    localhost systemd[1]: Starting Switch Root...
    localhost systemctl[1027]: Failed to switch root: Specified switch root path '/sysroot' does not seem to be an OS tree. os-release file is missing.
    localhost systemd[1]: initrd-switch-root.service: Main process exited, code=exited, status=1/FAILURE
    localhost systemd[1]: initrd-switch-root.service: Failed with result 'exit-code'.
    localhost systemd[1]: Failed to start Switch Root.
  • The root file system is not showing under /sysroot in the Emergency mode.

    # mount -o remount,rw /sysroot
    # ls 


  • Red Hat Enterprise Linux 8

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