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growisofs - partial track ?



When trying to copy my RedHat 9 installation DVD using:
     "growisofs -dvd-compat -Z /dev/scd0=rh9dvd.iso"
(using dvd+rw-tools-5.19-1.4.9.7.tar.gz on stock RedHat 9 system)

I've noticed that mediainfo reports
"Track State:           partial" on the copied DVD,
but indicates Track state complete on the original.
(Both MediaInfo reports are included below).

Could someone point me to information on how to obtain
a completed track with growisofs (or a hint as to what I
might be doing wrong) ?

The rh9dvd.iso file was created with the command
"dd if=/dev/scd0 of=rh9dvd.iso bs=2K count =1797878"
My searches have arrived at several messages that
indicate the "dd" is an appropriate method.  Is this
a faulty conclusion ???   Thanks for your time/help !

*** mediainfo from DVD generated by growisofs ***
------------------------------------------------------------------

INQUIRY:                [_NEC    ][DVD_RW ND-2500A ][1.06]
GET [CURRENT] CONFIGURATION:
 Mounted Media:         1Bh, DVD+R
 Media ID:              RICOHJPN/R00
GET [CURRENT] PERFORMANCE:
 Write Performance:     2.3x1385=3245KB/s@[0 -> 1797888]
 Speed Descriptor#0:    03/1797888 R@2.3x1385=3245KB/s W@2.3x1385=3245KB/s
READ DVD STRUCTURE[#0h]:
 Media Book Type:       A1h, DVD+R book [revision 1]
 Legacy lead-out at:    1797888*2KB=3682074624
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
 Track Start Address:   0*2KB
 Free Blocks:           0*2KB
 Track Size:            1797888*2KB
FABRICATED TOC:
 Track#1  :             17@0
 Track#AA :             17@1797888
 Multi-session Info:    #1@0

*** mediainfo from original RedHat 9 DVD ***
----------------------------------------------------------

INQUIRY:                [_NEC    ][DVD_RW ND-2500A ][1.06]
GET [CURRENT] CONFIGURATION:
 Mounted Media:         10h, DVD-ROM
GET [CURRENT] PERFORMANCE:
 Write Performance:     3.9x1385=5408KB/s@[0 -> 0]
 Speed Descriptor#0:    08/0 R@7.8x1385=10816KB/s W@7.8x1385=10816KB/s
 Speed Descriptor#1:    08/0 R@7.8x1385=10816KB/s W@5.9x1385=8112KB/s
 Speed Descriptor#2:    03/0 R@3.9x1385=5408KB/s W@3.9x1385=5408KB/s
 Speed Descriptor#3:    00/0 R@2.4x1385=3380KB/s W@2.3x1385=3245KB/s
 Speed Descriptor#4:    00/0 R@2.4x1385=3380KB/s W@2.0x1385=2704KB/s
 Speed Descriptor#5:    03/0 R@1.0x1385=1352KB/s W@1.0x1385=1352KB/s
READ DVD STRUCTURE[#0h]:
 Media Book Type:       01h, DVD-ROM book [revision 1]
 Legacy lead-out at:    1797878*2KB=3682054144
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:           complete
 Track Start Address:   0*2KB
 Free Blocks:           0*2KB
 Track Size:            1797878*2KB
FABRICATED TOC:
 Track#1  :             14@0
 Track#AA :             14@1797878
 Multi-session Info:    #1@0



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