SCSI Commands

MODE SENSE (6) / (10) Command (1Ah / 5Ah) (continued)

Table 5–59 TapeAlert Page Format Descriptor - Field Descriptions

Field Name

Description

 

 

PS

Parameters Savable. For MODE SELECT, this bit must be 0.

Additional Page

This field indicates the number bytes in the page. However, the value does

Length

not include bytes 0 and 1. The length is returned in MODE SENSE

 

commands and must subsequently be set to the same value when

 

performing MODE SELECT. If the page length does not match that expected

 

by the drive, a CHECK CONDITION status is returned, sense key set to

 

ILLEGAL REQUEST.

 

The drive returns a CHECK CONDITION status with sense key set to ILLEGAL

 

REQUEST if it receives an unsupported Page Code or a Page field with values

 

not supported or changeable. In such cases, no parameters are changed as

 

a result of the command.

Perf

Performance bit. Not supported.

DExcpt

Disable Information Exception Operations. When this bit = 0, the reporting

 

method specified by the contents of MRIE is selected. When this bit = 1, all

 

information exception operations are disabled and the contents of the MRIE

 

field are ignored. When in this mode, the TapeAlert Log page is polled by

 

the software. To enable CHECK CONDITION mode, DExcpt should = 0.

Test

Not Supported.

LogErr

Error Log. Not Supported.

 

 

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Quantum DLT 7000 Tape System

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Quantum Instruments DLT 7000 manual TapeAlert Page Format Descriptor Field Descriptions, Illegal Request

DLT 7000 specifications

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