K3B says that my drive supports DVD-R DL writing. K3B shows it only having 1 layer.
dvd+rw-mediainfo shows
INQUIRY: [ATAPI ][DVD A DH16A6S ][YA16]
GET [CURRENT] CONFIGURATION:
Mounted Media: 11h, DVD-R Sequential
Media ID: RITEKF1
Current Write Speed: 16.0x1385=22160KB/s
Write Speed #0: 16.0x1385=22160KB/s
Write Speed #1: 12.0x1385=16620KB/s
Write Speed #2: 8.0x1385=11080KB/s
Write Speed #3: 6.0x1385=8310KB/s
Write Speed #4: 4.0x1385=5540KB/s
Speed Descriptor#0: 08/2297887 R@16.0x1385=22160KB/s W@16.0x1385=22160KB/s
Speed Descriptor#1: 08/2297887 R@16.0x1385=22160KB/s W@12.0x1385=16620KB/s
Speed Descriptor#2: 08/2297887 R@16.0x1385=22160KB/s W@8.0x1385=11080KB/s
Speed Descriptor#3: 00/2297887 R@16.0x1385=22160KB/s W@6.0x1385=8310KB/s
Speed Descriptor#4: 00/2297887 R@16.0x1385=22160KB/s W@4.0x1385=5540KB/s
READ DVD STRUCTURE#10h]:
Media Book Type: 00h, DVD-ROM book [revision 0]
Legacy lead-out at: 2298496*2KB=4707319808
READ DVD STRUCTURE#0h]:
Media Book Type: 25h, DVD-R book [revision 5]
Last border-out at: 2045*2KB=4188160
READ DISC INFORMATION:
Disc status: blank
Number of Sessions: 1
State of Last Session: empty
"Next" Track: 1
Number of Tracks: 1
READ TRACK INFORMATION#1]:
Track State: invisible incremental
Track Start Address: 0*2KB
Next Writable Address: 0*2KB
Free Blocks: 2297888*2KB
Track Size: 2297888*2KB
READ CAPACITY: 0*2048=0
brasero doesn’t tell me anything except the DVD isn’t big enough to burn a 7GB ISO