B.7 example, B.6.2 tapes – Sun Microsystems MEDIACENTER 2.1 User Manual

Page 168

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B-14

Sun MediaCenter Server Administrator’s Guide • December 1997

The recommended block size of the

tar

format is 500 512-byte blocks, or 256,000

bytes. The default blocking factor for

tar

is 20 blocks, or 10,240 bytes.

B.6.2

Tapes

The Sun MediaCenter server supports both 4-mm and 8-mm cartridge tapes.

B.7

Example

This section provides an example of a content package—the TOC file and the index
and data files for each bit stream—and its storage on a tape using the

tar

format.

The names of the files that make up our example content package are shown in the

tar

output, below:

The

tar tf

command above lists the table of contents on a

tar

file or device,

/dev/rmt/0

in this example. The

tar

output indicates that the content package

consists of a TOC file,

bambi.TOC

, and five bit streams associated with the content

at various speeds. Each bit stream contains an index file (

.index

) and an MPEG

data file (

.mpeg

).

In our example, as in

FIGURE B-2

on page B-13, the index files for a content package

appear immediately after the TOC file on the tape.

server# tar tf /dev/rmt/0

bambi.TOC

bambi.1x.index

bambi.7x.index

bambi.10x.index

bambi.7nx.index

bambi.10nx.index

bambi.1x.mpeg

bambi.7x.mpeg

bambi.10x.mpeg

bambi.7nx.mpeg

bambi.10nx.mpeg

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