Thomas.
I try to blank the DVD+RW media with xorriso 1.5.3 on debian, seems it can not work. below is my logs.
i find the man doc from xorriso net, seems xorriso not support DVD+RW media to blank? if right , please share how can i to blank the DVD+RW media with some tools. thanks.
max@max-PC:/home$ xorriso -dev /dev/sr0 -blank as_needed
GNU xorriso 1.5.3 : RockRidge filesystem manipulator, libburnia project.
Drive current: -dev '/dev/sr0'
Media current: DVD+RW
Media status : is blank
Media summary: 0 sessions, 0 data blocks, 0 data, 4483m free
xorriso : NOTE : -blank as_needed: no need for action detected
max@max-PC:/home$ sudo mount /dev/sr0 /mnt
mount: /mnt: WARNING: device write-protected, mounted read-only.
max@max-PC:/home$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 931.5G 0 disk
????sda1 8:1 0 931.5G 0 part /home
sr0 11:0 1 4.4G 0 rom /mnt
nvme0n1 259:0 0 238.5G 0 disk
????nvme0n1p1 259:1 0 300M 0 part /boot/efi
????nvme0n1p2 259:2 0 16G 0 part [SWAP]
????nvme0n1p3 259:3 0 222.2G 0 part /
max@max-PC:/home$ sudo umount /mnt
max@max-PC:/home$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 931.5G 0 disk
????sda1 8:1 0 931.5G 0 part /home
sr0 11:0 1 4.4G 0 rom
nvme0n1 259:0 0 238.5G 0 disk
????nvme0n1p1 259:1 0 300M 0 part /boot/efi
????nvme0n1p2 259:2 0 16G 0 part [SWAP]
????nvme0n1p3 259:3 0 222.2G 0 part /
max@max-PC:/home$ xorriso -dev /dev/sr0 -blank all
GNU xorriso 1.5.3 : RockRidge filesystem manipulator, libburnia project.
Drive current: -dev '/dev/sr0'
Media current: DVD+RW
Media status : is blank
Media summary: 0 sessions, 0 data blocks, 0 data, 4483m free
xorriso : NOTE : Blank medium detected. Will leave it untouched
max@max-PC:/home$ sudo mount /dev/sr0 /mnt
mount: /mnt: WARNING: device write-protected, mounted read-only.
max@max-PC:/home$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 931.5G 0 disk
????sda1 8:1 0 931.5G 0 part /home
sr0 11:0 1 4.4G 0 rom /mnt
nvme0n1 259:0 0 238.5G 0 disk
????nvme0n1p1 259:1 0 300M 0 part /boot/efi
????nvme0n1p2 259:2 0 16G 0 part [SWAP]
????nvme0n1p3 259:3 0 222.2G 0 part /
max@max-PC:/home$