"Thomas Schmitt" <scdbac...@gmx.net> writes: > I assume that you will see the same result there.
lsblk -b -o VENDOR,MODEL,SIZE,PHY-SEC,LOG-SEC /dev/sr* VENDOR MODEL SIZE PHY-SEC LOG-SEC HL-DT-ST HL-DT-ST_DVDRAM_GH15F 1073741312 512 512 5.10.0-21-amd64 #1 SMP Debian 5.10.162-1 (2023-01-21) x86_64 GNU/Linux > > If you have some blank optical medium, then try whether the emitter of > the read attempt can be discouraged if the drive is perceived as offering > just one block of 2048 bytes. I don't know how to do that. Do you mean make a DVD with 1 block of data? > There are many motivations to read the start of the device and fewer to > read its end. One reason to read the end is the GPT backup header, which > would sit 512 bytes before the end. > The main GPT header block is at byte 512 of the storage device. I am not using GPT on any systems. They all have ext4 root partitions.