hp-ux cd-da マウント
# pfs_mount -t iso9660 /dev/rdsk/c4t0d0 /SD_CDROM
/usr/sbin/pfs_mount: giving up on /SD_CDROM
# pfs_mount -t hsfs /dev/rdsk/c4t0d0 /SD_CDROM
/usr/sbin/pfs_mount: giving up on /SD_CDROM
# pfs_mount -t rrip /dev/rdsk/c4t0d0 /SD_CDROM
そういうこと...