User guide

Table Of Contents
StorageLibrary T40+ Series Installation and User Guide 17
Library Features
This section describes several features of the StorageLibrary.
Operator Interfaces
The front panel is located on the front of the library and allows users to work locally on the library
using the Front Panel Interface (FPI). The Web Client is a Remote Management Interface (RMI) that
allows users to view and perform library functions from remote sites and is accessible through a
internet browser. For more information about the front panel and the remote management interface,
see Operator Interfaces.
ADI Bridging and LUN
The StorageLibrary implements Automation Drive Interface (ADI) bridging with Logical Unit
Numbering (LUN) addressing. The purpose of the LUN interface is to eliminate the requirement for a
host interface on the library controller board.This means that the library controller does not have its
own host interface, but SCSI commands to the library controller are sent via one of the installed tape
drives. The tape drive and the library controller will have a common SCSI ID but different LUN
numbers. The SCSI commands to/from the library controller are sent via the tape drive’s ADI port.
Partitions
The partitioning feature allows uses to create up to four virtual tape libraries for separating
departmental data. The StorageLibrary can be divided into a maximum of four partitions. At least one
tape drive and one magazine must be assigned to each partition. The robot, the import/export slots
and the cleaning slots are common resources to all partitions. For more information on partitions,
please see Configuring Partitions.
Control Path
The “control path” tape drive is used to connect a partition to a host application. Only one tape drive
can be selected as the control path at any time. By default, the first tape drive assigned to a partition
is designated the control path. In the event that the control path connection to the host application
fails, you may select a new control path for the partition.
I/E Station
I/E station enables the importing and exporting of cartridges without interrupting normal library
operations. I/E station slots are located in either the lower left or the upper left magazine. The number
of I/E slots for the 40 slot library is user settable to 0 (none), 3 or 8. The number of I/E slots for the 24
slot library is user settable to 0 (none) or 3.
The I/E slots are shared among all partitions. When a cartridge in an I/E slot is assigned to a partition,
only that partition can access that I/E slot. Access to the I/E slot is managed through the front panel
interface only.
Simple Network Management Protocol (SNMP)
The StorageLibrary supports system monitoring via SNMP and SNMP Notifications.
Capacity on Demand (COD)
In StorageLibrary, LTO storage slots are licensed for use. At any time, Capacity on Demand (COD)
allows you to enable the unused storage slots within a library via a firmware license key. The