Upgrade to BackupEDGE 01.02.04 or later. Then edit the file
/usr/lib/edge/config/devices.def. Find the write commands that refer cdrecord.
Insert the flag "-immed" in the as illustrated in the example below.
The write command may look like:
WRITE_CMD  p/cdrecord dev=0,4,0 B speed=s -
Change it to :
WRITE_CMD  p/cdrecord dev=0,4,0 -immed B speed=s -
Save the change. This has been found to remedy this issue.