Glossary
array
See storage system
chassis
The sheetmetal housing of a drive enclosure (RAID chassis or a expansion chassis).
controller A (or
B)
A short way of referring to controller module A (or B).
controller
enclosure
A drive enclosure known as a RAID chassis that contains two controller modules.
controller
module
A FRU that contains the following subsystems and devices: an SC processor; an MC
processor; a SAS expander and an EC processor; management interfaces; cache protected
by a supercapacitor pack and nonvolatile memory (CompactFlash); host, expansion, network,
and service ports; and midplane connectivity. In a 4U56 RAID chassis, the right controller
module is designated
A
and the left one is designated
B
.
DAS
Direct Attach Storage. A dedicated storage device that connects directly to a host without the
use of a switch.
DHCP
Dynamic Host Configuration Protocol. A network configuration protocol for hosts on IP
networks.
Direct Attach
Storage
See DAS.
QX and QXS Setup Guide
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