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READ
0
1
2
(MSB)
4
5
transfers zero or more data blocks to the host starting at the current
READ
logical position.
Pre-Execution Checks:
Illegal Field
Fixed Bit
Unit Attention
Media Access
If both the SILI and Fixed bits are set,
Sense data is as described in the Illegal Field Checks. The field pointers
indicate the Fixed bit field.
Transfers of 4 bytes or less are not supported.
Note
Command Descriptor Block:
7
6
5
Reserved(0)
CDB Fields:
If the Fixed flag is clear and Transfer Length is not zero, then a single block of
the length in Transfer Length is to be transferred. If the next block on tape is of
this length or shorter it is transferred to the initiator. If the next block is longer
than this length, only the length requested is returned and the logical position
is set to after the record. If the length of the block was the same as the Transfer
Length field,
status is returned. If the length of the block was not the
GOOD
same as in Transfer Length and the Suppress Illegal Length Indicator (SILI) flag
was clear,
Check Condition
below. If the length of the block was not the same as in Transfer Length and the
Suppress Illegal Length Indicator (SILI) flag was set,
Reservation
Diagnostic Status
CHECK CONDITION
4
3
Operation Code (08h)
Transfer Length
Control
status is returned, ILI will be reported as described
08h
Deferred Error
status is reported.
2
1
0
SILI
Fixed
(LSB)
status is returned.
Good
Commands
95
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