How do you write dvds?

[mark]

Margaret Doll wrote:
> I have been trying to write dvds using cdrecord on RedHat systems,

Hmmm... I used to do this; these days, I pull up, in X, k3b, which is a *lot*
easier.

	mark
> 2.4.21-57.ELsmp and 2.6.9-78.ELsmp.
> 
> I use
> 
> mkisof -R -o  disk1.iso disk1
> 
>  cdrecord speed=4 dev=/dev/cdwriter:@ disk1.iso
> 
> The Vendor_info from cdrecord:  'HL-DT-ST'
> Identification:  DVD+-RW GWA4164B
> 
> Using generic SCSI-3/mmc
> Drvier flags:  MMC-3 SWABAUDIO BURNFREE
> 
> cmd finished after 0.001s timeout 40s
> cdrecord:  No disk / Wrong disk!
> 
> I have tried  DVD-R by Memorex, imation DVD-R and HP dvd+R