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5-54 Quantum DLT 7000 Tape System
LOG SENSE Command (4Dh) (continued)
5.8.6 Read / Write Compression Page (32h)
This page begins with a 4-byte header followed by the log parameter blocks of 6
or 8 bytes, depending on the Parameter Code selected.
Bit
Byte
7 6 5 4 3 2 1 0
0 Reserved Page Code (32h)
1 Reserved
2 - 3
(MSB)
Additional Length
(LSB)
Figure 5–24 Read / Write Compression Ratio LOG SENSE Header Format
Table 5–27 Read / Write Compression Ratio LOG SENSE Header Field Descriptions
Field Name Description
Page Code The Page Code echoes the page code that was specified in the LOG
SENSE command descriptor block.
Additional Length The Additional Length field specifies the number of bytes available and
depends on the parameters requested.