AIX Storage Management

2.2.4 Optical Storage

This section will look at optical storage technology, before going on to examine

the decision process required to choose the right optical storage devices for the

environment.

2.2.4.1 Optical Technology

There are three basic optical technologies, each providing for different

capabilities. Some devices will cope with more than one kind of technology,

though this is not always so. In all three cases, information is stored in tracks on

the media surface. Each mechanism then uses different methods to read and

write information on these tracks.

1. Compact Disk Read Only Memory

With Compact Disk Read Only Memory, or CD-ROM, information is molded

into the media during the manufacturing process as a series of pits in the

surface. The existence ...