$ dpkg -l wodim | tail -1
ii wodim 9:1.1.6-1 command line CD/DVD writing tool
$ mount | grep media
/dev/hdd on /media/cdrom1 type iso9660 (ro,noexec,nosuid,nodev,user=username)
/dev/hdb on /media/cdrom0 type iso9660 (ro,noexec,nosuid,nodev,user=username)
$ /usr/bin/wodim -scanbus
/usr/bin/wodim: No such file or directory.
Cannot open SCSI driver!
For possible targets try 'wodim --devices' or 'wodim -scanbus'.
For possible transport specifiers try 'wodim dev=help'.
For IDE/ATAPI devices configuration, see the file README.ATAPI.setup from
the wodim documentation.
$ ls -l /usr/bin/wodim
-rwxr-xr-x 1 root root 350816 2007-05-06 11:36 /usr/bin/wodim
$ /usr/bin/wodim -scanbus dev=/dev/hdb # note /hdb
Error trying to open /dev/hdb exclusively (Device or resource busy)... retrying in 1 second.
Error trying to open /dev/hdb exclusively (Device or resource busy)... retrying in 1 second.
Error trying to open /dev/hdb exclusively (Device or resource busy)... retrying in 1 second.
$ /usr/bin/wodim -scanbus dev=/dev/hdd # note /hdd
Error trying to open /dev/hdd exclusively (Device or resource busy)... retrying in 1 second.
Error trying to open /dev/hdd exclusively (Device or resource busy)... retrying in 1 second.
Error trying to open /dev/hdd exclusively (Device or resource busy)... retrying in 1 second.
#### NOTE (below) This is an OLD testing version of Wodim, ####
#### i built and installed a while ago.(note /usr/local/ path) ####
$ /usr/local/bin/wodim -scanbus dev=ATAPI
This is wodim, not cdrecord. Don't expect it to behave like cdrecord in any
way, don't refer to it as "cdrecord". Send problem reports to
debburn-devel@lists.alioth.debian.org, don't bother Joerg Schilling with any
problems caused by this application.
Copyright (C) 2006 cdrkit maintainers, (C) 1994-2006 Joerg Schilling
Using libscg version 'debburn project-0.8ubuntu1+debburn1'.
/usr/local/bin/wodim: Warning: using inofficial version of libscg (debburn project-0.8ubuntu1+debburn1 '@(#)scsitransp.c 1.91 04/06/17 Copyright 1988,1995,2000-2004 J. Schilling').
/usr/local/bin/wodim: Warning: using inofficial libscg transport code version (cdrkit-team-scsi-linux-ata.c-1.7 '@(#)scsi-linux-ata.c 1.7 04/06/12 Copyright 2002 J. Schilling').
scsibus0:
0,0,0 0) *
0,1,0 1) 'LITE-ON ' 'LTR-32123S ' 'XS0R' Removable CD-ROM
0,2,0 2) *
0,3,0 3) *
0,4,0 4) *
0,5,0 5) *
0,6,0 6) *
0,7,0 7) *
scsibus1:
1,0,0 100) *
1,1,0 101) '_NEC ' 'DVD_RW ND-3550A ' '1.05' Removable CD-ROM
1,2,0 102) *
1,3,0 103) *
1,4,0 104) *
1,5,0 105) *
1,6,0 106) *
1,7,0 107) *
### and still both optical drives are loop mounted ###
$ mount | grep media
/dev/hdd on /media/cdrom1 type iso9660 (ro,noexec,nosuid,nodev,user=username)
/dev/hdb on /media/cdrom0 type iso9660 (ro,noexec,nosuid,nodev,user=username)
####### Stopped using OLD Version here #####
### NOW, i umount only one of the drives /dev/hdb mounted on /media/cdrom0 ###
$ umount /media/cdrom0
### Only /dev/hdd remains on /media/cdrom1 ###
$ mount | grep media
/dev/hdd on /media/cdrom1 type iso9660 (ro,noexec,nosuid,nodev,user=stompthebozo)
### I run same commands as above - it now finds the one i umounted (/dev/hdb) ###
$ /usr/bin/wodim -scanbus
scsibus1000:
1000,0,0 100000) *
1000,1,0 100001) 'LITE-ON ' 'LTR-32123S ' 'XS0R' Removable CD-ROM
1000,2,0 100002) *
1000,3,0 100003) *
1000,4,0 100004) *
1000,5,0 100005) *
1000,6,0 100006) *
1000,7,0 100007) *