HP StorageWorks XP48 - Disk Array Owner's Manual page 108

CHA (CHannel
Adapter)
CHA (Prog.)
CHA PCB
(CHannel Adapter
PaCkage Board)
CHP
CHIP
CHPID
CKD
CL
CM (Cache Memory)
COLD
CPM
CPS
CPU
CSA
CT
CU
CVS
DASD
108
Provides the channel interface control functions and intercache data transfer
functions. It is used to convert the data format between CKD and FBA. The
CHA contains an internal processor and 128 bytes of edit buffer memory.
A channel command control layer that processes channel commands and
controls cache and data transfer operations. It is located in the CHA. CHA
Prog. is recognized by the logical volume number and logical block number.
A PCB used to connect to the host processor. There are two types of CHA
PCBs, one for optical channels and the other for metal channels. The CHA
PCB for optical channels is provided with the LCM in its optical link control
unit.
channel processor or channel path
Client-Host Interface Processor
channel path identifier
count key data
cluster
See cache.
Status that the battery is off.
Short for Cache Port Master. (Part of the cluster for mounting the Cache Box.
It is possible to mount more than 6 GB of Cache memory.)
Short for Cache Port Slave. (Part of the cluster for mounting the Cache Box.
It is possible to mount more than 6 GB of Cache memory.)
central processing unit
Canadian Standards Association
Continuous Track maintenance support application
control unit
custom volume size (also called VSC: Volume Size Configurator)
direct access storage device
HP SureStore E Disk Array XP512/XP48: Owner's Guide