Backup to DVD's

[Kfir Lavi]

Hi,
I need to backup large volume to DVD media.
I want to be able to put recovery data and to split it to volumes.
I prefer to work with regular linux commands.
The most important thing is that, if the DVD media will have bad sectors, I
will be able to retrieve my data.
So I thought of burning each volume 3 times. But I'm looking for an elegant
solution.
Thanks,
Kfir