On 7/16/20 2:43 PM, John Jason Jordan wrote:
> On Thu, 16 Jul 2020 18:21:16 +0000
> gregm <[email protected]> dijo:
> 
>> I used to use the following cli method, when I was doing BD none of
>> the Linux gui apps supported BD, it has been a few years since I used
>> BD.
>>
>> "truncate --size=25GB /pub/bluray.udf
>> mkudffs /pub/bluray.udf
>> sudo mount -oloop,rw /pub/mybr.udf /mnt/bluray
>> sudo chown pabi.pabi /mnt/bluray
>>
>> #growisofs -speed=6 -Z /dev/dvd=/pub/bluray.udf"
> 
> Can a cli method can be used to burn BD media larger than 25GB?

Stick with GUI. Much easier and the software will remind you if you are
running out of space.

Remember too, blank BD media needs to be formatted (all tools do this
automatically, taking up a bit of space) and that capacity is advertised
as multiples of 1000 not 1024.

Each CD/DVD/BD media has an identity code that the drive reads.

growisofs is a front end of mkisofs (part of cdrtools).  Most GUI
cd/dvd/bd burners can use cdrtools, including brasero.

libburnia is another CLI backend. I've not used it.

Note: there are distros whose binary repos are a bit old (damn unpaid
volunteers). Thus, older versions may have missing functionality.

whether or not you can burn any particular BD size will depends on your
BD hardware hardware. BD Capacity is 25 GB (single-layer), 50 GB
(dual-layer), and 100, 128 GB (BDXL). Up to four layers are possible in
a standard form BD.

If you can burn 25GB but not 50GB, then your drive might not support
Dual (multi) Layer recording. Note: this is NOT the same as being able
to read a dual layer disc. I've also had some BD-RW and DVD-RW drives
that where a bit wonky and needed firmware updates to fully support discs.

-Ed

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