I will telling you about Funny issue I faceed yesterday.
I wanted to reboot a test machine, it’s stopped on LED code ‘557‘ which means it can’t mount root file system, I tried to boot from AIX installation DVD to
Go to admin panel > Users > Your Profile > About Yourself > Biographical Info > Fill is text area > and click: Update Profile button. note:only for admin OR click here(..or for "user ID : 1")