Bon tuyaux Linux / *BSD -
Lundi 3 Juillet 2006
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Utilisateur de K3B / Growisofs, s'il vous arrive d'avoir une gravure de DVD qui foire avant ou sur la fermeture d'une session, vous avez peut être une chance de sauver votre galette :)
Vérifier d'abord l'état de votre disque. Dans mon cas :
$ dvd+rw-mediainfo /dev/cd0
INQUIRY: [HL-DT-ST][DVDRAM GSA-4081B][A100]
GET [CURRENT] CONFIGURATION:
Mounted Media: 1Bh, DVD+R
Current Write Speed: 4.0x1385=5540KB/s
Write Speed #0: 4.0x1385=5540KB/s
Write Speed #1: 2.4x1385=3324KB/s
GET [CURRENT] PERFORMANCE:
Write Performance: 4.0x1385=5540KB/s@[0 -> 2295103]
Speed Descriptor#0: 02/2295103 R@3.3x1385=4584KB/s W@4.0x1385=5540KB/s
Speed Descriptor#1: 02/2295103 R@3.3x1385=4584KB/s W@2.4x1385=3324KB/s
READ DVD STRUCTURE[#0h]:
Media Book Type: A1h, DVD+R book [revision 1]
Media ID: IS01/001
Legacy lead-out at: 2295104*2KB=4700372992
READ DISC INFORMATION:
Disc status: appendable
Number of Sessions: 1
State of Last Session: incomplete
"Next" Track: 1
Number of Tracks: 1
READ TRACK INFORMATION[#1]:
Track State: invisible
Track Start Address: 0*2KB
Next Writable Address: 2271744*2KB
Free Blocks: 23360*2KB
Track Size: 2295104*2KB
Last Recorded Address: 2271743*2KB
READ CAPACITY: 0*2048=0
A noter le "appendable" et "incomplete ". Je me suis dit que les données y étaient, mais qu'il manquait quelque chose pour rendre le DVD lisible.
Avec la commande suivante, cela m'a permis de forcer une "fausse" gravure sur le media, qui déclenche la finalisation de la session.
$ growisofs -Z /dev/cd0=/dev/zero
Executing 'builtin_dd if=/dev/zero of=/dev/pass0 obs=32k seek=0'
/dev/pass0: "Current Write Speed" is 4.1x1385KBps.
:-? resuming track#1 from LBA#2271744
1528201216/4700372992 (32.5%) @159.3x, remaining 0:12 RBU 0.0%
2275278848/4700372992 (48.4%) @157.1x, remaining 0:10 RBU 0.0%
3026976768/4700372992 (64.4%) @158.9x, remaining 0:07 RBU 0.0%
3783589888/4700372992 (80.5%) @159.1x, remaining 0:03 RBU 0.0%
4509302784/4700372992 (95.9%) @151.7x, remaining 0:00 RBU 0.0%
4653776896/4700372992 (99.0%) @30.6x, remaining 0:00 RBU 100.0%
4653776896/4700372992 (99.0%) @0.0x, remaining 0:00 RBU 100.0%
4663738368/4700372992 (99.2%) @2.1x, remaining 0:00 RBU 100.0%
4682252288/4700372992 (99.6%) @3.9x, remaining 0:00 RBU 100.0%
4700340224/4700372992 (100.0%) @3.8x, remaining 0:00 RBU 100.0%
:-[ WRITE@LBA=230540h failed with SK=5h/ASC=21h/ACQ=00h]: No space left on device
:-( write failed: No space left on device
/dev/pass0: flushing cache
/dev/pass0: closing track
/dev/pass0: closing session
Un petit coup de vérification.
$ dvd+rw-mediainfo /dev/cd0
INQUIRY: [HL-DT-ST][DVDRAM GSA-4081B][A100]
GET [CURRENT] CONFIGURATION:
Mounted Media: 1Bh, DVD+R
Current Write Speed: 4.0x1385=5540KB/s
Write Speed #0: 4.0x1385=5540KB/s
Write Speed #1: 2.4x1385=3324KB/s
Speed Descriptor#0: 02/2295103 R@3.3x1385=4584KB/s W@4.0x1385=5540KB/s
Speed Descriptor#1: 02/2295103 R@3.3x1385=4584KB/s W@2.4x1385=3324KB/s
READ DVD STRUCTURE[#0h]:
Media Book Type: A1h, DVD+R book [revision 1]
Media ID: IS01/001
Legacy lead-out at: 2295104*2KB=4700372992
READ DISC INFORMATION:
Disc status: complete
Number of Sessions: 1
State of Last Session: complete
Number of Tracks: 1
READ TRACK INFORMATION[#1]:
Track State: invisible
Track Start Address: 0*2KB
Free Blocks: 0*2KB
Track Size: 2295104*2KB
Last Recorded Address: 2295103*2KB
FABRICATED TOC:
Track#1 : 14@0
Track#AA : 14@2295104
Multi-session Info: #1@0
READ CAPACITY: 2295104*2048=4700372992
Au miracle, je vois des "complete " et le DVD se "mount" bien.
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