On Fri, Apr 3, 2020 at 2:44 AM Thomas Schmitt <scdbackup@xxxxxxx> wrote:
Hi,
Richard Shaw wrote:
> I wanted to use libburn as the fork of the cdrecord apps are known toi
> have issues. Not sure what the problem was but after spinning up a bunch
> of times it just crapped out with an unhelpful error.
I'm the developer of libburn, which works underneath Xfburn, cdrskin,
and xorriso.
I know from xorriso users that they burnt multi-layer BD-R successfully.
Hey Thomas, yeah been a while, we worked on getting the libburnia suite of stuff up to date in Fedora a few years ago.
But reports are sparse and the price for multi-layer BDs is still too
high in comparison to single-layer. So i don't have any.
(I am using single-layer BD-RE with my old application scdbackup, which
writes large directory trees to multiple media.)
Yeah, I mostly wanted it so I can backup with having to have "Disc 1 of X" type backups or create spanning images where I have to read all the disks to find one file.
If you want to give libburn another try with hopefully more informative
messages, you could run xorriso.
I'm willing to try but that was my last disc from the first spindle I ordered. Have to wait for payday to buy another (which is sad).
For example put two directory trees into the resulting ISO 9660
filesystem and burn it to the blank medium in /dev/sr0
dir_with_pics1=...path...
dir_with_pics2=...other.path...
xorriso -outdev /dev/sr0 \
-for_backup \
-map "$dir_with_pics1" /pics1 \
-map "$dir_with_pics2" /pics2
Afaik, K3B uses growisofs as burn backend. It formats BD-R media by default,
which cdrecord and libburn do not.
Ok, yeah I saw both mkisofs and growisofs in the log window.
growisofs surely has no knowledge about multi-layer BDs. Its development
ended shortly after single-layer BD became widely available. I studied its
source code when i prepared libburn for BD.
So if it does something different than the others, then i bet on the
formatting.
I'm assuming it can format on the fly? There was no "formatting" stage.
Thanks,
Richard
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