Appeal No. 1998-1434 Page 3
Application No. 08/159,647
response to a request for a video segment, a single DASD is
selected from among the plurality of DASDs, which are listed
in a drive information
table. The selected DASD retrieves the video segment and the
table is updated to reflect use of the DASD. Once the video
segment is delivered, the drive information table is updated
to reflect freeing of the DASD.
Claim 1, which is representative for our purposes,
follows:
1. A method of delivering full motion video on a
plurality of playback platforms connected to a
single file server over a network, the method
comprising:
storing duplicate video segments on each of a
plurality of direct access storage devices
within a RAID system which is controlled by
the single file server;
responsive to a request from a playback platform
to the single file server, selecting a
direct access storage device for retrieval
of the video segment from a drive
information table;
instructing the selected direct access storage
device to retrieve the video segment;
updating the drive information table to reflect
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