TAPE UNIT SCSI COMMANDS M2488 PRODUCT GUIDE
4-36 CG00000-011503 REV. A April 1997
If the initiator sends a parameter length value that results in the truncation of the parameter value,
the target shall terminate the command with CHECK CONDITION status. The sense key is set to
ILLEGAL REQUEST with the a dditional sense code set t o INVALID FIELD IN PARAMETE R
LIST.
Table 4-33. Log Parameter Format
BITS
BYTES 7 6 5 4 3 2 1 0
0-1 Parameter Code
2DU DS=1 TSD=1 ETC=0 TMC=0 Reserved LP=0
3Parameter Length = 08h
4-11 Parameter Value
Table 4-34. LOG Parameter Field Description
BYTE BIT VALUE DESCRIPTION
2Parameter Control Byte
2 0 0b The LP bit is returned as a 0b to indicate that this parameter is not an
ASCII list parameter.
2 2-3 00b The Threshold Met Criteria field (TMC) is returned as 00b.
2 4 0b The Enable Threshold Comparison bit (ETC) is returned as 0b, indicating
that threshold comparisons is not enabled.
2 5 1b The Target Save Disable (TSD) bit is returned a 1b, indicating that the tar-
get does not provide a target defined method of saving log parameters.
2 6 1b The Disable Save bit (DS) is returned as a 1b, indicating that the saving
that of log parameter is not supported.
2 7 0b This log parameter has not caused a “LOG COUNTERS AT MAXIMUM”
condition for this page.
1b The Disable Update bit (DU) is returned as a 1b if updating of counters
within this page is currently disabled as a result of a “LOG COUNTERS
AT MAXIMUM” condition for this log parameter.
3 0-7 08h The parameter length field specifies the length in bytes of the following
parameter value.