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Re: Announcing cdrskin-0.4.4



On Fri, Apr 11, 2008 at 3:28 PM, Thomas Schmitt <scdbackup@gmx.net> wrote:

> It seems you could make an experiment with format 31h
> (i.e. no spare area) by dvd+rw-format option
>  -ssa=none

It took under a minute:
--- dvd+mediainfo.formattato    2008-04-01 15:48:55.000000000 +0200
+++ dvd+mediainfo.ssa=none  2008-04-11 14:54:06.000000000 +0200
@@ -5,17 +5,15 @@
  Current Write Speed:   2.0x4495=8992KB/s
  Write Speed #0:        2.0x4495=8992KB/s
 GET [CURRENT] PERFORMANCE:
- Write Performance:     2.0x4495=8992KB/s@[0 -> 11826175]
- Speed Descriptor#0:    02/11826175 R@2.0x4495=8992KB/s W@2.0x4495=8992KB/s
-BD SPARE AREA INFORMATION:
- Spare Area:            393216/393216=100.0% free
+ Write Performance:     2.0x4495=8992KB/s@[0 -> 12219391]
+ Speed Descriptor#0:    02/12219391 R@2.0x4495=8992KB/s W@2.0x4495=8992KB/s
 READ DISC INFORMATION:
  Disc status:           complete
  Number of Sessions:    1
  State of Last Session: complete
  Number of Tracks:      1
 READ FORMAT CAPACITIES:
- formatted:        11826176*2048=24220008448
+ formatted:        12219392*2048=25025314816
  00h(3000):        11826176*2048=24220008448
  30h(3000):        11826176*2048=24220008448
  30h(5000):        11564032*2048=23683137536
@@ -25,9 +23,9 @@
  Track State:           complete
  Track Start Address:   0*2KB
  Free Blocks:           0*2KB
- Track Size:            11826176*2KB
+ Track Size:            12219392*2KB
 FABRICATED TOC:
  Track#1  :             14@0
- Track#AA :             14@11826176
+ Track#AA :             14@12219392
  Multi-session Info:    #1@0
-READ CAPACITY:          11826176*2048=24220008448
+READ CAPACITY:          12219392*2048=25025314816

And now I can write at 2x!  Thanks, I didn't think about that (ssa=none)

cdrskin 0.4.5 : limited cdrecord compatibility wrapper for libburn
cdrskin: verbosity level : 1
cdrskin: NOTE : greying out all drives besides given dev='/dev/sg1'
cdrskin: scanning for devices ...
cdrskin: ... scanning for devices done
cdrskin: beginning to burn disc
cdrskin: status 1 burn_disc_blank "The drive holds a blank disc"
Current: BD-RE
Track 01: data  5259 MB         padsize:  1024 KB
Total size:     5260 MB (598:33.37) = 2693353 sectors
Lout start:     5260 MB (598:35/37) = 2693353 sectors
Starting to write CD/DVD at speed MAX in real SAO mode for single session.
Last chance to quit, starting real write in   0 seconds. Operation starts.
Waiting for reader process to fill input buffer ... input buffer ready.
...
Track 01: 5260 of 5260 MB written (fifo 100%) [buf  98%]   2.3x.
^Mcdrskin: thank you for being patient since 548 seconds
Track 01: Total bytes read/written: 5514938368/5515986944 (2693353 sectors).
Writing  time:  548.333s
Cdrskin: fifo had 2692841 puts and 2692841 gets.
Cdrskin: fifo was 0 times empty and 270236 times full, min fill was 99%.
Min drive buffer fill was 43%
cdrskin: burning done

9.5 MB/sec !


> It might also be worth to check the impact of certification
> on write error detection. I.e.:
>  -format=full

I think my kernel is too old, it exit after just 1 second:

$ dvd+rw-format -format=full  /dev/cdrom
* BD/DVD±RW/-RAM format utility by <appro@fy.chalmers.se>, version 7.1.
* 25.0GB BD media detected.
* formatting 0.0|:-[ FORMAT UNIT failed with SK=5h/INVALID FIELD IN PARAMETER LI
ST]: Input/output error
$

-- 
giulioo@pobox.com

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