Glossary
initialization
A process that prepares a storage system for use. Specifically, the system binds controllers together as an operational pair and establishes preliminary data structures on the disk array. Initialization also sets up the first disk group, called the default disk group.
LUN
Logical Unit Number. The
manager
The object that controls configuration of the system. The StorageWorks Command View EVA is the manager in the case of the Enterprise Virtual Array.
MB
Megabtye. A term defining either:
■A data transfer rate. See also MBps.
■A measure of either storage or memory capacity of 1,048,576 (220) bytes.
MBps
Megabytes per second. A measure of bandwidth or data transfers occurring at a rate of 1,000,000 (106) bytes per second.
Mega
A notation denoting a multiplier of 1 million (1,000,000).
mirrored caching
A process in which half of each controller’s write cache mirrors the companion controller’s write cache.
mirroring
The act of creating an exact copy or image of data.
monitor
An element that monitors the status of an enclosure, including the power, air temperature, and blower status.
online/near-online drive
An online drive is a normal,
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