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3-20 Initial Configuration 601354 Rev A
• A Media Class is an integral part of the media migration
philosophy. When media type migration or media class
migration occur, media must stay within the same media
class.
Basic Media Class parameters include the Media Class name,
media type, class capacity, mountable by class, high mark,
notification comment, and use callbacks and callback
information.
Media Class
Name
The Media Class name parameter is a user-specified name by
which the Media Class is known to the user. Valid Media Class
names may contain up to 16 characters, including spaces.
Leading and trailing spaces are not permitted.
Media Type
The media type parameter identifies the type of media used in
the Media Class. As noted before, only one media type can be
specified for a Media Class.
Class Capacity
Media Classes are designed to be associated with multiple
archives. Media migration cannot occur unless a media class
spans at least two archives. However, a media class can be
wholly associated with one archive.
Therefore, plan Media Class capacities to cover the expected
size of the archives configured earlier. See the following page
for an example of two media classes associated with two
archives.