3PAR InForm® OS 2.3.1 Concepts Guide (320-200112 Rev B, February 2010)

GL 4
Glossary
InForm OS Version 2.3.1 3PAR InForm OS Concepts Guide
CPG template
Common provisioning group template. The
template contains a set of common provisioning
group and logical disk parameters that can be
applied again and again to create common
provisioning groups with the same characteristics
using the InForm Management Console.
created host
A host that has been defined on the system but
does not necessarily have any physically
connected host paths or WWNs assigned to it.
Customer Controlled Access
A software tool that restricts connections
between the service processor and the 3PAR
technical support center. Customer Controlled
Access is independent of the user’s network
firewall and works whether the connections are
made via the Internet or via a point-to-point
modem connection.
D
daisy chaining
Cabling configuration where components such
as BBUs or drive cages are connected in
succession.
data cache
The dual in-line memory modules (DIMMs) that
support the 3PAR ASIC located in a controller
node.
data cache DIMM
A single data cache memory module.
data cache riser card
A printed circuit board with DIMM sockets that
holds data cache memory modules.
DC2 drive cage
One of two models of a storage server
component consisting of a drive cage midplane,
two drive cage FCAL modules, four power
supplies, and up to 40 physical disks in a
maximum of ten drive magazines.
DC3 drive cage
A storage server component that consists of a
drive cage, two drive cage FCAL modules, two
power supplies, and up to 16 physical disks.
DC4 drive cage
One of two models of a storage server
component consisting of a drive cage midplane,
two drive cage FCAL modules, four power
supplies, and up to 40 physical disks in a
maximum of ten drive magazines.
destination volume
The virtual volume to which data is copied
during a physical copy operation.
disk port
See initiator port.
disk scrub
An action by the system that periodically reads
and writes to the system IDE disk to ensure that
the disk is working properly.
dmag
See drive magazine.
drive bay
A space in a drive chassis into which a drive
magazine is inserted.
drive cage
See DC2, DC3, and DC4 drive cage.