HP CD Rewriter (Does someone know about compatibility problems of these writers with Linux RedHat 6.0?)

I believe the HP8200e or so is supported.

* Later, when system needs to be frequently updated ( > 1, 1.5 year from now)

Does someone knows some supported backup systems for RedHat 6.0?

One is BRU... http://www.bru.com/index.html --Rob