User's Guide

36 SCSI Commands

Mode Sense (10) - 5Ah

What the Library Does With This Command

The library will return the current settings for the supported mode pages. This command can only be issued

to the DA Blade Controller logical unit.

Command Usage

This command can be used to determine certain operational settings governing the behavior of the library.

Use of MODE SENSE to obtain these parameters during initialization is highly recommended to facilitate

the most flexibility in supporting the library.

Mode Sense (10) CDB Format

The ten-byte MODE SENSE CDB format is shown in the following table.

Disable Block Descriptors (DBD) - A value of 0 or 1 is supported, although block descriptors are not

returned.

Table 33 MODE SENSE CDB format

Bit

Byte

76543210

0Op Code (5Ah)

1 Logical Unit Number Rsvd DBD Reserved

2 PC Page Code

3 Reserved

4 Reserved

5 Reserved

6 Reserved

Allocation Length

9 Control