Quantum 1200 Series DAT Autochanger Guia do Utilizador descarregar pdf (Página 134)

MODE SELECT (6) / (10) Command (15h / 55h) SDLT 600 SCSI Interface Guide

4-92 January 2005 81-81200-02 REV A01

4.9.10 TapeAlert Page (1Ch)

The drive supports the TapeAlert Page, which sets or changes the supported TapeAlert configuration

options. Use the MODE SENSE command to read the settings of the TapeAlert page.

Figure 4-53. TapeAlert MODE SELECT Page — Data Format

Bit

Byte

7 6 5 4 3 2 1 0

0 PS (0) Rsv’d Page Code (1Ch)

1 Page Length (0Ah)

2 Perf Rsv’d EBF EWASC DExcpt Test Rsv’d LogErr

3 Reserved MRIE

4 – 7

(MSB)

Interval Timer

(LSB)

8 – 11

(MSB)

Report Count / Test Flag Number

(LSB)

Table 4-55. TapeAlert MODE SELECT Page — Field Descriptions

Field Name Description

PS Parameters Savable. For MODE SELECT, must be set to 0.

Page Code Identifies the type of MODE SELECT page being transferred. A value of

1Ch identifies this as the TapeAlert Page.

Page Length Indicates the number of bytes in the page, excluding bytes 0 and 1. The

length is returned on MODE SENSE and must subsequently be set to the

same value when performing MODE SELECT. If the drive receives an

unexpected page length value, it returns a CHECK CONDITION status,

Sense Key set to ILLEGAL REQUEST.

Perf Performance. Performance Impacting Exceptions are acceptable. The drive

ignores this bit.

EBF Enable Background Function. Must be set to 0.

EWASC Enable Warning. Must be set to 0.

1 2 ... 129 130 131 132 133 134 135 136 137 138 139 ... 293 294

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