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SubjectRe: Writing to CDR drive...
Date

Paul Christenson wrote:

> I picked up a CDD2600 (the successor to the 2000), and am having a heck of
> a time. So far, I've made nothing but a couple of frisbees and/or
> coasters. (Apparently SCSI bus errors. I think I have a bad host card; my
> tape drive doesn't work right, either.)

Have you test it with cdwrite -y ? I think this is a cheaper hardwaretest. :)

> Since I'm now in the market for a new SCSI host adapter. What do you have
> that works so well? (And are you using an IDE or SCSI HD for your staging
> drive?)

I am using an Asus-SC200 NCR-Hostadapter. My Hardisk is SCSI on the
same adapter and the CD-Rom, too.

> One last question.. What's the best way to duplicate a 9660 disk? I've
> tried:
>
> dd if=/dev/scd0 of=/dev/hdb1 # hdb1 is my staging partition
> cdwrite --device /dev/sgda /dev/hdb1
>
> Will this work?? (If not, what will?)

If there is only _one_ session on your masterdisk, try this:

--------------------------------
[root] ~: more burnhot
#! /bin/sh -
CDROM="/dev/scd0"

size=$(isosize $CDROM)

if (test $size = 2162688) then
echo Keine Master-CD im Laufwerk!
exit
fi
echo "CD-Groesse:" $size Bytes

cat $CDROM | buffer -p 75 -m 10M | cdwrite -v -b $size -s 2 - &
renice -20 buffer
renice -20 cdwrite
-----------------------------
The writer is a HP4020i (CD2000) and the cdrom is a Toshiba 3601
quadspeed.

I have done more then ten cdr by this script without a problem. I can
use the computer very hard when I am burning. It works like a dream!!


BTW: This works only if there is one session on a the mastercdr. If
there are more sessions than you got only the first one. Perhaps a
kernelproblem? I can't understand why cat /dev/scd0 not give the full
cdr.


And now a look inside of my computer when I cut a CDR. (486DX133)


12:44pm up 3:20, 9 users, load average: 2.38, 2.07, 1.51
61 processes: 55 sleeping, 6 running, 0 zombie, 0 stopped
CPU states: 68.5% user, 23.2% system, 84.3% nice, 9.3% idle
Mem: 30820K av, 30364K used, 456K free, 34904K shrd, 3076K buff
Swap: 41964K av, 7172K used, 34792K free 4380K cached

PID USER PRI NI SIZE RSS SHARE STAT LIB %CPU %MEM TIME COMMAND
2151 root 18 0 960 888 260 R 0 49.2 2.8 17:59 l3enc
2009 root 4 0 10356 8228 1036 R 0 22.5 26.6 3:43 X
2293 olaf 6 0 676 676 320 R 0 3.7 2.1 0:06 top
2193 root -18 -20 600 440 80 S < 0 3.2 1.4 0:28 cdwrite
2196 root 1 0 10556 10552 10356 S 0 2.3 34.2 0:30 buffer
2191 root 1 0 352 276 76 S 0 1.9 0.8 0:26 cat
2308 uucp 2 0 624 624 308 S 0 1.4 2.0 0:00 uuxqt
2192 root 0 0 10556 10552 10356 S 0 1.2 34.2 0:13 buffer
2317 olaf 5 0 604 604 284 D 0 1.2 1.9 0:00 procmail
2168 root 0 0 2920 1812 1128 S 0 1.0 5.8 0:23 xmcpustate
2321 uucp 13 0 524 524 220 R 0 0.9 1.7 0:00 rmail
2318 root 15 0 788 788 424 S 0 0.7 2.5 0:00 smail
2312 root 2 0 792 792 424 S 0 0.5 2.5 0:00 smail
2012 olaf 0 0 884 840 492 S 0 0.3 2.7 0:01 fvwm
2256 uucp 0 0 876 844 412 R 0 0.3 2.7 0:00 uucico
13 root 0 0 356 284 84 S 0 0.1 0.9 0:01 update
2021 olaf 0 0 364 332 88 S 0 0.1 1.0 0:00 FvwmAudio
2161 root 0 0 1496 1312 776 S 0 0.1 4.2 0:02 color_xterm
2306 news 0 0 860 860 480 S 0 0.1 2.7 0:00 bash
1 root 0 0 408 328 120 S 0 0.0 1.0 0:06 init
2 root 0 0 0 0 0 SW 0 0.0 0.0 0:00 kflushd
3 root -12 -12 0 0 0 SW< 0 0.0 0.0 0:01 kswapd
4 root 0 0 0 0 0 SW 0 0.0 0.0 0:00 nfsiod
5 root 0 0 0 0 0 SW 0 0.0 0.0 0:00 nfsiod
6 root 0 0 0 0 0 SW 0 0.0 0.0 0:00 nfsiod
7 root 0 0 0 0 0 SW 0 0.0 0.0 0:00 nfsiod


Cut a CDR by Windows? ROTFL!

Olaf

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