Burning the Rescue CD error

[Robert]

Philippe wrote:
> On Sat, 2004-07-17 at 01:26, Jerry Schromm wrote:
> 
>>Hi everyone. Hey I was failing to burn the FC2 i386 Rescue disc with
>>some error. Couldn't follow it or something. Should have wrote it down
>>verbatim. Anyway it burned when I put Nero the burning software on
>>Disc at Once instead of what it was on Track at Once.
>> 
>>So is Disc at Once fine to create that rescue disc?? Let me know. I
>>have yet to try it to see if it works. By the way I burned all the
>>other ISO's to the Fedora core 2 with Track at Once. Tell me what you
>>think.
> 
> Hi,
> 
> For information, I burn my ISO CD exactly same I did for my rescue CD,
> but it was with K3B under Linux. I think the default is TAO for burning
> CD with K3B. Maybe a medium erro, try to burn at 4x only.
> 
> Maybe it helps.
> 
> Philippe
> 

Just yesterday I spent several hours and about 30 CDRs, proving that in 
order to burn CDs reliably from the cdrecord cli the "-dao" option was 
required. **This was on MY system. YMMV**
My primary box:
ASUS A7N8X Deluxe ver 2.0 m/b
Athlon XP 2700+
512MB DDR
Sony DRU-530A
  uname -a
Linux mavis 2.4.22-1.2149.nptl #1 Wed Jan 7 12:57:33 EST 2004 i686 
athlon i386 GNU/Linux
Testing (stumbling about in the dark???) was done using Sony brand CDRs 
rated for speeds 1x - 48x.


I burned good CDRs at speeds up to 40x (drive's rated max) using the 
-dao option but consistently got platters at any speed (I think I tried 
2x) without "-dao".  Since my burner is a recent addition, I tried 
burning the same files using my old LG CDRW which now resides in an old 
box running (at that time) FC2, kernel 2.6.6-something.

I know that in the past, $ cdrecord -v dev=1,0,0 *discN*
(from the directory containing the iso images, N=CD number)
would always produce good CDs. But it sure didn't when I tried burning 
the FC3t1 iso files to CD.

BTW, I settled on that option as the key by looking at the command 
string used by XCDRoast (which is admittedly cumbersome but reliable 
without exception), discarding the irrevelant stuff (gracetime=, etc) 
and eliminating the other options by trial & error.

I hope someone can give a valid explanation.

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