HP Reliable Transaction Router User Manual

Page 92

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polymorphism

The ability of objects inherited from a common parent class to

respond differently to the same message. The object responds

depending on where it is in the inheritance hierarchy.

primary

The state of the partition servicing the original data store or

database. A primary has a secondary or shadow counterpart.

process

The basic software entity, including address space, scheduled by

system software, that provides the context in which an image

executes.

properties

Application, transaction and system information.

property classes

Classes used for obtaining information about facilities, partitions,

and transactions.

quorate

Nodes/roles in a facility that has quorum are quorate.

quorum

The minimum number of routers and backends in a facility,

usually a majority, who must be active and connected for the

valid completion of processing.

quorum node

A node, specified in a facility as a router, whose purpose is not to

process transactions but to ensure that quorum negotiations are

possible.

quorum threshold

The minimum number of routers and backends in a facility

required to achieve quorum.

Glossary–8

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