Well, if your rootvg filesystems /, /usr, /tmp, /home, ... are mounted (on booting), then you should have a jfs2log somewhere. Perhaps the FSs were created with an inline log?
What does "mount" say? Should indicate log=/dev/whatever per mounted FS, should it not?
HTH,
p5wizard
What does "mount" say? Should indicate log=/dev/whatever per mounted FS, should it not?
HTH,
p5wizard