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17. Appendix J
Tape Log: The Tape Log contains details of the history of a tape, the total number of groups written, of RAW retries,
of groups read, of C3 ECC retries, and of loads. The log is copied into RAM when the tape is loaded into the
SDX-450V, updated as the tape is used, and written back into the System area on the tape when it is unloaded. Tape
Write Protect, power failure or reset will losethe log data maintained in RAM.
Under Length: The incorrect length condition that exists after executing a read command when the requested
transfer length in the command descriptor block exceeds the length of the actual block read.
Volume: A recording medium together with its physical carrier. (a single tape cassette)
SONY AIT-1 Turbo drive SDX-450V series Ver.1.0
17-3
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