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Re: Doesn't wodim close disk ?



On Fri, Jan 04, 2008 at 06:33:48PM +0100, Thomas Schmitt wrote:

> What kind of drive is on strike in OSX ?
> Is it the same hardware as with Linux ?
> If not: can the OSX drive burn DVD ?

It's only a DVD reader and CD-rw drive's.


> If you are willing to risk to lose the
> problematic DVD+R media completely then it
> would be interesting to learn whether
> 
>   growisofs -M /dev/sr0=/dev/zero

growisofs -M /dev/sr0=/dev/zero
Executing 'builtin_dd if=/dev/zero of=/dev/sr0 obs=32k seek=134270'
/dev/sr0: "Current Write Speed" is 15.8x1352KBps.
 4399759360/4700372992 ( 0.0%) @0x, remaining ??:?? RBU 100.0% UBU   0.0%
 4399759360/4700372992 ( 0.0%) @0x, remaining ??:?? RBU 100.0% UBU   0.0%
 4399759360/4700372992 ( 0.0%) @0x, remaining ??:?? RBU 100.0% UBU   0.0%
 4451532800/4700372992 (17.2%) @11.2x, remaining 1:21 RBU 100.0% UBU   7.1%
 4524670976/4700372992 (41.6%) @15.8x, remaining 0:28 RBU 100.0% UBU  97.1%
 4598300672/4700372992 (66.0%) @16.0x, remaining 0:11 RBU 100.0% UBU  99.1%
 4672421888/4700372992 (90.7%) @16.1x, remaining 0:02 RBU 100.0% UBU  99.1%
:-[ WRITE@LBA=230540h failed with SK=5h/ASC=63h/ACQ=00h]: Input/output error
:-( write failed: Input/output error
/dev/sr0: flushing cache
/dev/sr0: closing track
/dev/sr0: closing disc

dvd+rw-mediainfo /dev/sr0
INQUIRY:                [LITE-ON ][DVDRW SH-16A7S  ][WS04]
GET [CURRENT] CONFIGURATION:
 Mounted Media:         1Bh, DVD+R
 Media ID:              SONY/D21
 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
 Write Speed #5:        2.4x1385=3324KB/s
GET [CURRENT] PERFORMANCE:
 Write Performance:     6.4x1385=8864KB/s@0 -> 16.0x1385=22144KB/s@2295103
 Speed Descriptor#0:    00/2295103 R@16.0x1385=22144KB/s W@16.0x1385=22160KB/s
 Speed Descriptor#1:    00/2295103 R@16.0x1385=22144KB/s W@12.0x1385=16620KB/s
 Speed Descriptor#2:    00/2295103 R@16.0x1385=22144KB/s W@8.0x1385=11080KB/s
 Speed Descriptor#3:    00/2295103 R@16.0x1385=22144KB/s W@6.0x1385=8310KB/s
 Speed Descriptor#4:    00/2295103 R@16.0x1385=22144KB/s W@4.0x1385=5540KB/s
 Speed Descriptor#5:    00/2295103 R@16.0x1385=22144KB/s W@2.4x1385=3324KB/s
READ DVD STRUCTURE[#0h]:
 Media Book Type:       00h, DVD-ROM book [revision 0]
 Legacy lead-out at:    2295104*2KB=4700372992
READ DISC INFORMATION:
 Disc status:           complete
 Number of Sessions:    2
 State of Last Session: complete
 Number of Tracks:      2
READ TRACK INFORMATION[#1]:
 Track State:           invisible
 Track Start Address:   0*2KB
 Free Blocks:           0*2KB
 Track Size:            2146272*2KB
 ROM Compatibility LBA: 262144
READ TRACK INFORMATION[#2]:
 Track State:           invisible
 Track Start Address:   2148320*2KB
 Free Blocks:           0*2KB
 Track Size:            146784*2KB
 ROM Compatibility LBA: 262144
FABRICATED TOC:
 Track#1  :             14@0
 Track#2  :             14@2148320
 Track#AA :             14@2295104
 Multi-session Info:    #2@2148320
READ CAPACITY:          2295104*2048=4700372992

I can still mount the disk under linux and read the files, but
under OSX I still see an empty media with 4.1Gb used and no free
space.

> makes the DVD+R mountable on the OSX system.

It depends on what we call mountable, it could always be mounted
but no files seen.

> Have a nice day :)

Thank, same for you,
-- 
Grégoire FAVRE  http://gregoire.favre.googlepages.com  http://www.gnupg.org
               http://picasaweb.google.com/Gregoire.Favre


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