User`s guide

Scalar i6000 User’s Guide 524
Appendix C
CGlossary
This glossary consists of terms unique to the library along with some
storage industry terminology.
Access door
Refers to the doors on either the control module or expansion module
from which you can access the magazines and accessor assembly.
Capacity on demand (COD)
An Quantum library feature that enables users to have a large physical
library, but users pay only for what capacity they are currently using.
License upgrades enable more capacity to be added without a system
interruption.
Control management blade (CMB)
A version of the MCB that has no I/O ports for Ethernet, SCSI, serial, or
Fibre Channel. It is the controller board for the I/O management unit in
expansion modules.
Control module
The first component of the library. It consists of an library management
module, cartridges, drives, power, and an I/E station.
Data path
One of the many possible paths that data can move over in the storage
area network environment, potentially involving many components or
connections between initiators and targets that have been set since the
initial configuration occurred.