Quantum 1200 Series DAT Autochanger Guide de l'utilisateur télécharger pdf (Page 91)

SDLT 600 SCSI Interface Guide Chapter 4: SCSI Commands

81-81200-02 REV A01 January 2005 4-49

4.8.5 Sequential Access Device Log Page (0Ch)

This page provides a standardized way to report the amount of data transferred between the tape drive

and the host.

Figure 4-23. Sequential Access Device LOG SENSE Page — Header Format

Figure 4-24. Log Parameters Format for Sequential Access Device LOG SENSE Page

Bit

Byte

7 6 5 4 3 2 1 0

0 Page Code (0Ch)

1 Reserved

2 – 3

(MSB)

Page Length

(LSB)

Table 4-27. Sequential Access Device LOG SENSE Header — Field Descriptions

Field Name Description

Page Code Echoes the page code specified in the LOG SENSE CDB.

Page Length Specifies the total number of bytes contained in this log page, excluding

the 4 bytes that make up the header.

Bit

Byte

7 6 5 4 3 2 1 0

0 – 1

(MSB)

Parameter Code

(LSB)

DU DS TSD ETC TMC Rsv’d LP

3 Parameter Length

4 – 11 Parameter Value

1. The byte 2 fields are collectively referred to as the Parameter Control Byte.

1 2 ... 86 87 88 89 90 91 92 93 94 95 96 ... 293 294

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Quantum 1200 Series DAT Autochanger Guide de l'utilisateur Page 91