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

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Glossary
InForm OS Version 2.3.1 3PAR InForm OS Concepts Guide
Snapshots virtual copy policy halts writing data
to the base volume so as to prevent loss of sync
between the volume and any snapshots. See also
virtual copy policy and no stale snapshots.
started virtual volume
A virtual volume that either passed auto-check
upon system startup or was created since the
system was last restarted. Started virtual volumes
are ready for read/write operations.
status bar
The bar at the bottom of the InForm
Management Console main window that
contains messages and icons. Status bar
messages and icons can provide vital information
about system status, including the severity level
of the most serious new alert in the alert pane.
See also alert pane.
step size
The number of contiguous bytes that the system
accesses before moving to the next chunklet.
stopped virtual volume
A virtual volume that has not been started and is
therefore not ready for read/write operations.
storage server backplane
An electronic circuit board that contains sockets
into which power supplies and controller nodes
are plugged.
system box
Feature on the InForm Management Console
main window toolbar that enables you to move
quickly between systems.
system manager
Software component that negotiates between
the storage server and the user interfaces such as
the InForm Management Console and InForm
CLI.
system view pane
The system view pane occupies the upper right
corner of the InForm Management Console main
window and displays information about systems
and system objects as you select the
corresponding icons in the navigation tree. See
also navigation tree.
T
table of contents (TOC)
The space on a physical disk that contains the
internal description of the system. The TOCs on
all physical disks in the system contain the same
information.
target, target port
The port that is connected to and receives
commands from a host computer. Also known as
a host port.
target mode
The firmware setting for a port that is connected
to a host.
Target Session Identifying Handle
An identifier, assigned by the iSCSI target, for a
session with a specific named initiator.
thin provisioning
See 3PAR Thin Provisioning.
Thinly-Provisioned Virtual Volume (TPVV)
A virtual volume that maps to logical disk space
associated with a Common Provisioning Group
(CPG) and is therefore capable of growing on
demand.
template
See VLUN template.