normal boot and mouting cd/dvd media.

cd-dvd-automount.rules

# Rule automount on add|change|remove cd/dvd
ACTION!="add|change|remove", GOTO="cdrom_end"
     
# Define Device and attributes.
SUBSYSTEM=="block", KERNEL=="sr*", ENV{ID_PATH}=="pci-0000:00:0b.0-scsi-1:0:0:0", ATTRS{type}=="5", ATTR{removable}=="1", ATTR{events}=="media_change eject_request"
     
# Mount on device attached from cold boot and at device change
ACTION=="add",KERNEL=="sr*", RUN+="/bin/mkdir -p '/media/cd-dvd'"
ACTION=="add",KERNEL=="sr*", RUN+="/bin/mount /dev/sr0 '/media/cd-dvd'"
 
ACTION=="change",KERNEL=="sr*", RUN+="/bin/mkdir -p '/media/cd-dvd'"
ACTION=="change",KERNEL=="sr*", RUN+="/bin/mount /dev/sr0 '/media/cd-dvd'"
     
# On remove unmount and remove directories
ACTION=="change",KERNEL=="sr*", RUN+="/bin/rmdir '/media/cd-dvd'"
ACTION=="remove",KERNEL=="sr*", RUN+="/bin/umount -l '/media/cd-dvd'", RUN+="/bin/rmdir '/media/cd-dvd'"
     
LABEL="cdrom_end"