Storage Area Networks
A storage area network (SAN) such as an Apple Xsan system consists of one or more
disk arrays that are made available to multiple computer systems simultaneously.
Broadcast and post-production facilities can use an Xsan system to share a single set of
media files among multiple editing systems.
Xsan software allows an administrator to control SAN access privileges for each editing
system. For example, a capturing edit station may have read-and-write access to the
SAN, while an assistant editor station may only have read access to media files for a
particular project. An administrator may also control permissions to make sure editors
capture material only to specific folders.
Advantages of Xsan include:
Â Media files are instantly accessible from multiple editing systems.
Â Storage capacity and bandwidth can be scaled as needed.
Â Editors can move between editing suites and continue working on the same project
without moving media files.
Â Assistant editors can load, output, or archive media without disturbing an ongoing
Â Producers can view dailies or finished sequences for approval without being in an
For more information, go to