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SCSI Commands

Quantum DLT 4000 Tape Drive 5-47

LOG SENSE Command (4Dh) (continued)

Table 5–21 Log Parameters for Read / Write Error LOG SENSE Page Field Descriptions

(continued)

Field Name Description

TMC (cont.) The criteria for comparison are:

Code - Basis of Comparison

00b - Every update of the cumulative value

01b - Cumulative value equal to threshold value

10b - Cumulative value not equal to threshold value

11b - Cumulative value greater than threshold value

LP List Parameter. This bit is 0 since the parameter codes are treated as data counters.

Parameter

Length

This field specifies the number of bytes of the parameter value.

Parameter

Value

This field indicates the actual value of this log parameter.

5.8.4 Last n Error Events Page (07h)

This page returns one parameter at a time that contains the ASCII text for the

specified event log. The Parameter Number field in the CDB specifies the log

event to return. The log events in EEPROM are numbered from 0 to 255, after

which the number wraps back to 0; only a limited number of events are stored at

a given time (up to 14). The log event that is returned is the one whose

Parameter Code is equal to, or the first one greater than, the Parameter Number

specified in the command control block.

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Quantum DLT 4000 Manual Página 147