ru.unix.bsd

 
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 From : Alex Bakhtin                         2:5020/400     23 Nov 2006  19:33:51
 To : All
 Subject : Опять про growisofs, бага какая-то...
 -------------------------------------------------------------------------------- 
 

 Привет.
 
         Двухслойки пишутся как-то странно, в два захода. Оно у всех так,
 или это я такой везучий? 100% повторяемость.
 
 ==================================
 
 > growisofs -dvd-compat -speed=2.4 -Z
 > /dev/cd1=IMAGE.iso
 
 Executing 'builtin_dd if=IMAGE.iso
 of=/dev/pass1 obs=32k seek=0'
 /dev/pass1: splitting layers at 1735376 blocks
 :-[ SEND DVD+R DOUBLE LAYER RECORDING INFORMATION failed with
 SK=5h/ASC=26h/ACQ=00h]: Input/output error
 
 > sudo dvd+rw-mediainfo /dev/cd1
 
 INQUIRY:                [_NEC    ][DVD_RW ND-3520A ][1.04]
 GET [CURRENT] CONFIGURATION:
  Mounted Media:         2Bh, DVD+R Double Layer
  Media ID:              MKM/001
  Current Write Speed:   6.1x1385=8467KB/s
  Write Speed #0:        6.1x1385=8467KB/s
  Write Speed #1:        5.1x1385=7056KB/s
  Write Speed #2:        4.1x1385=5645KB/s
  Write Speed #3:        3.1x1385=4234KB/s
  Write Speed #4:        2.0x1385=2822KB/s
  Write Speed #5:        1.0x1385=1411KB/s
 GET [CURRENT] PERFORMANCE:
  Write Performance:     2.4x1385=3324KB/s@[0 -> 3470752]
  Speed Descriptor#0:    00/3470752 R@5.0x1385=6925KB/s W@4.0x1385=5540KB/s
  Speed Descriptor#1:    00/3470752 R@5.0x1385=6925KB/s W@2.4x1385=3324KB/s
 DVD+R DOUBLE LAYER BOUNDARY INFORMATION:
  L0 Data Zone Capacity: 1735376*2KB, can no longer be set
 READ DISC INFORMATION:
  Disc status:           blank
  Number of Sessions:    1
  State of Last Session: empty
  Number of Tracks:      1
 READ TRACK INFORMATION[#1]:
  Track State:           blank
  Track Start Address:   0*2KB
  Next Writable Address: 0*2KB
  Free Blocks:           3470752*2KB
  Track Size:            3470752*2KB
  ROM Compatibility LBA: 262144
 READ CAPACITY:          0*2048=0
 
 >
 > growisofs -dvd-compat -speed=2.4 -Z
 > /dev/cd1=IMAGE.iso
 
 Executing 'builtin_dd if=IMAGE.iso
 of=/dev/pass1 obs=32k seek=0'
   11304960/7108100096 ( 0.2%) @1.6x, remaining 62:46 RBU 100.0%
   22740992/7108100096 ( 0.3%) @2.4x, remaining 46:44 RBU 100.0%
   34242560/7108100096 ( 0.5%) @2.4x, remaining 44:45 RBU 100.0%
   45711360/7108100096 ( 0.6%) @2.4x, remaining 41:11 RBU 100.0%
 ==================================
 
         При этом второй проход пишет на stderr еще что-то в духе "layer
 break already set".
 
       Диски пишутся и читаются нормально, но вот эта идея двух проходов
 меня лично как-то не особо радует. Как бы это победить?
 
         Имеем:
 1. FreeBSD 6.2-PRERELEASE
 2. 
 
 > growisofs -version
 
 * growisofs by <appro@fy.chalmers.se>, version 6.1.1,
   front-ending to mkisofs: mkisofs 2.01 (i386-unknown-freebsd6.2)
 
 3.
 
 > sudo dvd+rw-mediainfo /dev/cd1
 
 INQUIRY:                [_NEC    ][DVD_RW ND-3520A ][1.04]
 GET [CURRENT] CONFIGURATION:
  Mounted Media:         2Bh, DVD+R Double Layer
  Media ID:              MKM/001
  Current Write Speed:   6.1x1385=8467KB/s
  Write Speed #0:        6.1x1385=8467KB/s
  Write Speed #1:        5.1x1385=7056KB/s
  Write Speed #2:        4.1x1385=5645KB/s
  Write Speed #3:        3.1x1385=4234KB/s
  Write Speed #4:        2.0x1385=2822KB/s
  Write Speed #5:        1.0x1385=1411KB/s
 GET [CURRENT] PERFORMANCE:
  Write Performance:     2.4x1385=3324KB/s@[0 -> 3655648]
  Speed Descriptor#0:    00/3655648 R@5.0x1385=6925KB/s W@4.0x1385=5540KB/s
  Speed Descriptor#1:    00/3655648 R@5.0x1385=6925KB/s W@2.4x1385=3324KB/s
 READ DVD STRUCTURE[#0h]:
  Media Book Type:       01h, DVD-ROM book [revision 1]
  Legacy lead-out at:    1895952*2KB=3882909696
 DVD+R DOUBLE LAYER BOUNDARY INFORMATION:
  L0 Data Zone Capacity: 1895952*2KB, can no longer be set
 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:           partial/complete
  Track Start Address:   0*2KB
  Free Blocks:           0*2KB
  Track Size:            3655648*2KB
 FABRICATED TOC:
  Track#1  :             17@0
  Track#AA :             17@3655648
  Multi-session Info:    #1@0
 READ CAPACITY:          3655648*2048=7486767104
 
 >
 
 -- 
 Best regards, Alex Bakhtin, CCIE #8439
 AMT Group, Cisco Systems Gold Partner, http://www.amt.ru
 --- ifmail v.2.15dev5.3
  * Origin: AMT Group (2:5020/400)
 
 

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