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Re: problem with BD sessions after 4GB



Hi !

Here is the mediainfo after formatting the BD-RE:
root@galaxy:/# dvd+rw-mediainfo /dev/dvdrw
INQUIRY:                [Optiarc ][BDRW BD-M100A   ][1.0e]
GET [CURRENT] CONFIGURATION:
 Mounted Media:         43h, BD-RE
 Media ID:                SONY/ES1
 Current Write Speed:   2.0x4495=8991KB/s
 Write Speed #0:        2.0x4495=8991KB/s
 Speed Descriptor#0:    01/12088319 R@2.0x4495=8991KB/s W@2.0x4495=8991KB/s
BD SPARE AREA INFORMATION:
 Spare Area:            131072/131072=100.0% free
READ DISC INFORMATION:
 Disc status:           complete
 Number of Sessions:    1
 State of Last Session: complete
 Number of Tracks:      1
READ FORMAT CAPACITIES:
 formatted:		12088320*2048=24756879360
 00h(3000):		11826176*2048=24220008448
 01h(800):		11564032*2048=23683137536
 30h(3000):		11826176*2048=24220008448
 30h(5000):		11564032*2048=23683137536
 30h(1000):		12088320*2048=24756879360
 31h(800):		12219392*2048=25025314816
READ TRACK INFORMATION[#1]:
 Track State:           complete
 Track Start Address:   0*2KB
 Free Blocks:           0*2KB
 Track Size:            12088320*2KB
FABRICATED TOC:
 Track#1  :             14@0
 Track#AA :             14@12088320
 Multi-session Info:    #1@0
READ CAPACITY:          12088320*2048=24756879360

and this is the mediainfo after writing 4100MB to the BD-RE. After
that I cannot open a session anymore:

root@galaxy:/backup# dvd+rw-mediainfo /dev/dvdrw
INQUIRY:                [Optiarc ][BDRW BD-M100A   ][1.0e]
GET [CURRENT] CONFIGURATION:
 Mounted Media:         43h, BD-RE
 Media ID:                SONY/ES1
 Current Write Speed:   2.0x4495=8991KB/s
 Write Speed #0:        2.0x4495=8991KB/s
 Speed Descriptor#0:    01/12088319 R@2.0x4495=8991KB/s W@2.0x4495=8991KB/s
BD SPARE AREA INFORMATION:
 Spare Area:            131072/131072=100.0% free
READ DISC INFORMATION:
 Disc status:           complete
 Number of Sessions:    1
 State of Last Session: complete
 Number of Tracks:      1
READ FORMAT CAPACITIES:
 formatted:		12088320*2048=24756879360
 00h(3000):		11826176*2048=24220008448
 01h(800):		11564032*2048=23683137536
 30h(3000):		11826176*2048=24220008448
 30h(5000):		11564032*2048=23683137536
 30h(1000):		12088320*2048=24756879360
 31h(800):		12219392*2048=25025314816
READ TRACK INFORMATION[#1]:
 Track State:           complete
 Track Start Address:   0*2KB
 Free Blocks:           0*2KB
 Track Size:            12088320*2KB
FABRICATED TOC:
 Track#1  :             14@0
 Track#AA :             14@12088320
 Multi-session Info:    #1@0
READ CAPACITY:          12088320*2048=24756879360



On 11/29/07, Thomas Schmitt <scdbackup@gmx.net> wrote:
> Hi,
>
> > I get the following error with growisofs version 7.0.1:
> > growisofs -M /dev/dvdrw -R -J -joliet-long -use-the-force-luke=4gms -root
> > svn/
> > :-( next session would cross 4GB boundary, aborting...
> >
> > I want to write many session to a BD-RW to backup svn dumps. How could
> > I do that ?
>
> http://fy.chalmers.se/~appro/linux/DVD+RW/
> "Technical Ramblings"
> tell why the test is considered necessary
> and mentions option
>  -use-the-force-luke=4gms
>
> Strange enough, ramblings and source of 7.0 say
> that the test is disabled with BD-RE anyway.
> What do you get from
>  dvd+rw-mediainfo /dev/dvdrw
> as content of this output line
>  Mounted Media:         ...
>
>
> Have a nice day :)
>
> Thomas
>
>


-- 
Arnold Maderthaner
J4Care Inc.



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