I'm monkeying around with the blu-ray drives again (though now it is a
SATA interface) and I've come upon something that I don't quite
understand.
I am trying to make the spare area of a BD-R be something larger than
the default. I was hoping to run something like:
./dvd+rw-format -ssa=4G /dev/dvd
But when I execute this command, it says that it is invalid for the
detected media. Looking at the code is appears as if this should be a
valid option, I also tried to use:
./dvd+rw-format -force -ssa=4G /dev/dvd
also to no avail.
I took a wild swing at this one. And thought that maybe this would
fix the problem.
if (((mmc_profile == 0x1A || mmc_profile == 0x2A) blank)
|| (mmc_profile != 0x1A compat)
|| (mmc_profile != 0x12 mmc_profile != 0x43 mmc_profile !=
0x41 ssa) )
{ fprintf (stderr,- illegal command-line option for this media.\n);
goto offer_options;
}
After making the above change, it then gets past this portion of the
code and gets down to where the actual formatting is going to take
place.
I get this message:
sr0: CDROM (ioctl) error, command: Test Unit Ready 00 00 00 00 00
Deferred sr00:00: sense key Medium Error
Additional sense indicates Format command failed
And if I eject the disc and re-insert it, then run mediainfo on it, it
shows up as blank. If I run mediainfo on it before I eject it, I get
a bunch of garbage.
Any thoughts?
Thank you,
Matt Schulte
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