Dell PowerVault ML6000 Dell PowerVault ML6000 SCSI Reference Guide - Page 45

Mode Sense (10) - 5Ah, What the Library Does With This Command, Command Usage

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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 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. Table 33 MODE SENSE CDB format Byte Bit 7 6 5 4 3 2 1 0 0 Op Code (5Ah) 1 Logical Unit Number Rsvd DBD Reserved 2 PC Page Code 3 Reserved 4 Reserved 5 Reserved 6 Reserved 7 Allocation Length 8 9 Control Disable Block Descriptors (DBD) - A value of 0 or 1 is supported, although block descriptors are not returned. PowerVault ML6000 SCSI Reference Guide 35

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PowerVault ML6000 SCSI Reference Guide
35
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 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
7
6
5
4
3
2
1
0
0
Op Code (5Ah)
1
Logical Unit Number
Rsvd
DBD
Reserved
2
PC
Page Code
3
Reserved
4
Reserved
5
Reserved
6
Reserved
7
Allocation Length
8
9
Control