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LOG SENSE Command (4Dh) SDLT 600 SCSI Interface Guide

4-50 January 2005 81-81200-02 REV A01

Table 4-28. Sequential Access Device LOG SENSE Page Parameters — Field Descriptions

Field Name Description

Parameter Code Parameter codes supported for the Sequential Access Device Page are as follows:

Code Description

0000h Host Write Byte Count. This is the number of data bytes received

from application clients during WRITE command operations.

0001h Tape Write Byte Count. The number of data bytes written to the

media during WRITE command operations, not counting ECC and

formatting overhead.

0002h Tape Read Byte Count. The number of data bytes read from the

media during READ command operations, not counting ECC and

formatting overhead.

0003h Host Read Byte Count. The number of data bytes transferred to the

initiator(s) during READ command operations.

DU Disable Update. Always set to 0.

DS Disable Save. Not supported. Always set to 1.

TSD Target Save Disable. Not supported. Always set to 1.

ETC Enable Threshold Comparison. Threshold checking is not supported on this page.

Always set to 0.

TMC Threshold Met Criteria. Ignored. Always set to 0.

LP List Parameter. The drive treats the parameter codes as data counters. Always set

to 1.

Parameter

Length

Specifies the number of bytes in the parameter value. All parameters are 8 bytes in

length.

Parameter Value Indicates the actual value of this log parameter.

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Quantum 1200 Series DAT Autochanger Uživatelská příručka Strana 92