HP StorageWorks Windows Kit V3.0B for Enterprise Virtual Array Installation and Configuration Guide (AA-RUGZB-TE, October 2003)

Glossary
37Windows Kit V3.0B for Enterprise Virtual Array Installation and Configuration Guide
MBps
Megabytes per second. A measure of bandwidth or data transfers occurring at a rate of
1,000,000 (10
6
) bytes per second.
Mega
A notation denoting a multiplier of 1 million (1,000,000).
metadata
Information that a controller pair writes on the disk array. This information is used to
control and monitor the array and is not readable by the host.
mini-port driver
The Windows driver type used for connecting to the Enterprise Virtual Array through the
SAN fabric.
mirrored caching
A process in which half of each controller’s write cache mirrors the companion controller’s
write cache. The total memory available for cached write data is reduced by half, but the
level of protection is greater.
mirroring
The act of creating an exact copy or image of data.
node port
A device port that can operate on the arbitrated loop topology.
NSC
Network Storage Controller. The HSV controllers used by the Enterprise Storage System.
OSM
Open SAN Manager. A centralized, appliance-based monitoring and management interface
that supports multiple applications, operating systems, hardware platforms, storage
systems, tape libraries, and SAN-related interconnect devices. It is included and resides on
the management appliance, a single aggregation point for data management.
password
A security interlock whose purpose is to allow:
■ A management agent control of only certain storage systems
■ Only certain management agents control of a storage system