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CHA
Channel Host Adapter.
CHIP
Channel Host Interface Processor.
C–HSN
Cache Hierarchical Star Network.
CHT
Channel adapter Tachyon (for Fibre Channel interfaces).
Client/Server Architecture
Client/Server Architecture is a network architecture in which each computer or
processor on the network is either a client or a server. Servers are powerful computers
or processors dedicated to managing disk drives (file servers), printers (print servers), or
network traffic (network servers). Clients are PCs or workstations on which users run
applications. Clients rely on servers for resources, such as files, devices, and even
processing power.
CMA
Control Memory Adapter.
CM–HSN
Control Memory, Hierarchical Star Network.
Consistency Groups
A software copy technique of suspending multiple volumes at the same time.
Control Frame
The Disk Controller or control frame is the center cabinet of the Hitachi Freedom
Storage
™
Lightning 9980V
™
system, housing the channel switch, cache, power
supplies, batteries, and host interface cards.
CPU
CPU is an acronym for Central Processing Unit. It can refer to either a processor chip,
such as the Sun
™
SPARC
™
or the Intel
®
Pentium
®
, or to a processor chip or chips and
support circuitry on a CPU board.
CSW
Cache Switch. A specially designed crossbar switch for use in the Hitachi Freedom
Storage
™
Lightning 9900
™
V Series. These are not Fibre Channel switches.
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