cdrom was mounted in secondary domain, trying to mount it in primary domain on Sol 11.3 sparc
notice my cdrom (sol 10 to create guest) was mounted in my secondary domain
root@nxu22dbssecp001:~# df -k
/Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â (rpool/ROOT/solaris):553540974 blocks 553540974 files
/devices          (/devices         ):      0 blocks       0 files
....
....
/dev/dsk/c1t3d0s2Â Â Â Â Â Â Â 2260460Â Â Â Â 2260460Â Â Â Â Â Â Â Â Â Â 0Â Â 100%Â Â Â /media/SOL_10_113_SPARC
so I unmounted it.
I rebooted primary domain and and I do not see CDROM
and I have been trying to mount it no lUCK.
root@nxu22dbsprip001:~# ls -lia /cdrom/cdrom0/s2
    98423 lrwxrwxrwx  1 root    root         37 May 6 10:32 /cdrom/cdrom0/s2 -> /media/Oracle_Solaris-11_3-Text-SPARC
root@nxu22dbsprip001:~# mount -F hsfs /dev/dsk/c1t3d0s2 /cdrom
mount: No such device
mount: cannot mount /dev/dsk/c1t3d0s2