SCSI Commands

LOG SENSE Command (4Dh) (continued)

5.8.4Last 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 48). 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.

Bit

7

 

6

5

4

 

3

2

1

0

Byte

 

 

 

 

 

 

 

 

 

 

0

 

Reserved

 

 

 

Page Code (07h)

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(MSB)

 

 

 

 

 

 

 

 

 

2 - 3

 

 

 

 

Page Length

 

 

 

(LSB)

Figure 5–20 Last n Error Events LOG SENSE Header Format

Table 5–22 Last n Error Events LOG SENSE Header Field Descriptions

Field Name

Description

 

 

Page Code

The Page Code echoes the page code that was specified in the LOG

 

SENSE command descriptor block.

Page Length

The Page Length field specifies the total number of bytes contained in

 

this log page, not including the four bytes that make up the header.

 

 

5-48

Quantum DLT 7000 Tape System

Page 152
Image 152
Quantum Instruments DLT 7000 manual Last n Error Events Page 07h, Lsb

DLT 7000 specifications

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