NEC 320Fc - Manual (Page 113)

Glossary
Glossary-5
service
See application service .
session
One complete Active Upgrade process, from split mode to finish. Or, a remote
connection to the upgrade side of the system, as in a
Remote KVM (or AVR)
session.
simplex mode (simplexed)
The state of an ftServer system when one or more of its individual components is
operating without a redundant partner component. If a hardware failure occurs,
system operations may terminate.
You cannot initiate an Active Upgrade on a simplexed system because there are
insufficient system resources to keep the system operational during the upgrade
process.
split mode
The state of an ftServer system when its elements are split into two independent,
simplexed systems — a
Production Side and an Upgrade Side .
split system
The stage of the Active Upgrade process during which the system enters split
mode .
Also, a system that is running in split mode.
system disk
An internal RDR disk that is resynchronized from the Upgrade Side to the
Production Side upon completion of the Active Upgrade process.
Only software located on system disks can be upgraded online. System disks are
available on both sides of the system when it is running in
split mode . They typically
contain binary files (for example, operating system drivers and application
services) and configuration information (the Windows registry).
A disk that contains active Windows operating system components (boot partition,
paging files) is automatically marked as a
mandatory system disk , and cannot be
changed to a data disk . Other disks default to data disks, but can be changed to
system disks per user configuration if they contain only application binaries and
configuration data.
temporary file
A file that stores data only for a short time, such as a cache file.