User's Guide

Chapter 2 Emulated Medium Changer SCSI Commands

Initialize Element Status (07h)

Quantum DX-Series Software Interface Guide 13

Initialize Element Status (07h) 2

This command allows the host to request an inventory of the tape

cartridges held in a DX-Series system. The inventory reads each tape’s bar

code. Inventory information is returned to the host, only if requested,

using the Read Element Status command.

The DX-Series system does not accept any other commands from the host

during the inventory process.

The host can issue an Abort of the inventory for the DX-Series system. If

another Initialize Element Status command is then issued, the inventory

process is restarted from the beginning.

The format for this command data block is shown in table 3.

Table 7 Initialize

Element Status

Command

Bit/Byte 7 6 5 4 3 2 1 0

• Logical Unit Number

The Logical Unit Number must be set to 0. Field indicates the logical

unit to which the command is sent.

• NBL

•A No Bar Code Labels value of 1 specifies the inventory to not

scan the bar codes of the elements and set the corresponding

primary volume tags to empty

• A value of 0 specifies element bar code labels are to be scanned

and placed in the primary volume tags

Operation Code (07h)

Logical Unit Number Reserved (00h)

Reserved (00h)

NBL Reserved (00h)