AIX Tip of the Week

Making Backups to DVD

Audience: Systems Administrator

Date: June 9, 2002

A DVD can be an inexpensive way to make data or system backups. The current list price of a DVD is $1,000, compared to $2,000-$6,000 for tape.

Creating a system backup on DVD is different than making one on tape. With a DVD, you use the new AIX mkcd command (or smit mkcd). The smit mkcd options are straightforward, with the exception of the "DVD sized image", which should be set to "yes".


DVD limitations include:

For more information, see:

Finally, the mkcd requires the public domain software package "cdrecord-" to burn CD's. This software is is available from the following website: /

Bruce Spencer,