On Fri, Feb 13, 2004 at 02:06:01PM -0600, Anthony D. Little wrote:
> I've been making some data DVD coasters and now I'm looking
> for help on successfully burning data DVDs.

Make sure DMA is on for you harddrive and preferably the CDROM
as well.  hdparm /dev/hdx  If not, turn on by hdparm -d1 /dev/hdx
then try the burn.

I've had good results with an inexpensive DVD burner I picked up at
OfficeMax a month back(Micro Advantage Model 4DVDRW-B13).
Burned a few +RW, 5 -R and about 8 +R so far.
The +RW,+R I used growisofs, very nice as you don't have to make an
image, just point it at a directory and it burns the disk.  The -R I used
dvdrecord to burn after mkisofs to make an image.

You could also try a slower write speed, or this burnfree option.

Heres a log from a -R disk:

scsidev: '0,0,0'
scsibus: 0 target: 0 lun: 0
Linux sg driver version: 3.1.22
dvdrecord: Warning: using inofficial version of libscg (bero-0.5a '@(#)scsitrans
dvdrtools v0.1.4
...
Based on:
Cdrecord 1.11a15 (i386-pc-linux-gnu) Copyright (C) 1995-2001 Jrg Schilling
TOC Type: 1 = CD-ROM
Using libscg version 'bero-0.5a'
Driveropts: 'burnfree'
atapi: 1
Device type    : Removable CD-ROM
Version        : 0
Response Format: 1
Vendor_info    : 'DVDRW   '
Identifikation : 'IDE1004         '
Revision       : '0038'
Device seems to be: Generic mmc2 DVD.
Using generic SCSI-3/mmc DVD-R(W) driver (mmc_mdvd).
Driver flags   : SWABAUDIO BURNFREE
Supported modes: PACKET SAO
Drive buf size : 1376256 = 1344 KB
FIFO size      : 4194304 = 4096 KB
Track 01: data  3931 MB
Total size:     4514 MB (447:16.20) = 2012715 sectors
Lout start:     4514 MB (447:18/15) = 2012715 sectors
Current Secsize: 2048
  ATIP start of lead in:  -150 (00:00/00)
  Disk type:    unknown dye (reserved id code)
  Manuf. index: -1
  Manufacturer: unknown (not in table)
  Blocks total: 2298496 Blocks current: 2298496 Blocks remaining: 285781

Waiting for reader process to fill input buffer ... dvdrecord: Turning BURN-Free
input buffer ready.
trackno=0
BURN-Free is ON.
Performing OPC...
Sending CUE sheet...
dvdrecord: WARNING: Drive returns wrong startsec (0) using -150
Starting new track at sector: 0
@01T003931
@01:000001
@01:000002
...
Track 01: Total bytes read/written: 4122040320/4122040320 (2012715 sectors).
Writing  time:  757.212s
Fixating...
Fixating time:   20.211s
dvdrecord: fifo had 64927 puts and 64927 gets.
dvdrecord: fifo was 0 times empty and 24775 times full, min fill was 59%.



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