Dell PowerVault ML6000 Dell PowerVault ML6000 SCSI Reference Guide - Page 63

Position to Element – 2Bh, What the Library Does With This Command, Command Usage

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Position to Element - 2Bh What the Library Does With This Command The library will move the picker in front of the specified element at the current media Get position. Command Usage This command can be used to pre-position the robotics to an element to enhance performance, or it can be used as a general-purpose way to relocate the robotics without involving media movement. This might be useful for diagnostic or demonstration purposes. Position to Element CDB Format The POSITION TO ELEMENT CDB format is shown in the following table. Table 50 POSITION TO ELEMENT CDB format Byte Bit 7 6 5 4 3 2 1 0 0 Op Code (2Bh) 1 Logical Unit Number Reserved 2 Medium Transport Element Address 3 4 Destination Element Address 5 6 Reserved 7 8 Reserved Invert 9 Control Medium Transport Element Address - This field contains the address of the Medium Transport element to position. A value of 0001h is the address of the Medium Transport element, but a value of 0000h is also supported (which selects the default Medium Transport element). Destination Element Address - This field contains the element address of the target to position to. It can be a storage, data transfer, or import/export element. Invert - This field must be set to 0. PowerVault ML6000 SCSI Reference Guide 53

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PowerVault ML6000 SCSI Reference Guide
53
Position to Element – 2Bh
What the Library Does With This Command
The library will move the picker in front of the specified element at the current media Get position.
Command Usage
This command can be used to pre-position the robotics to an element to enhance performance, or it can be
used as a general-purpose way to relocate the robotics without involving media movement. This might be
useful for diagnostic or demonstration purposes.
Position to Element CDB Format
The POSITION TO ELEMENT CDB format is shown in the following table.
Medium Transport Element Address
– This field contains the address of the Medium Transport element
to position. A value of 0001h is the address of the Medium Transport element, but a value of 0000h is also
supported (which selects the default Medium Transport element).
Destination Element Address
– This field contains the element address of the target to position to. It can
be a storage, data transfer, or import/export element.
Invert
– This field must be set to 0.
Table 50
POSITION TO ELEMENT CDB format
Bit
Byte
7
6
5
4
3
2
1
0
0
Op Code (2Bh)
1
Logical Unit Number
Reserved
2
Medium Transport Element Address
3
4
Destination Element Address
5
6
Reserved
7
8
Reserved
Invert
9
Control