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Chapter 20

V

vertical scalability

The ability to add processors and memory to individual nodes to increase their capability.

See also horizontal scalability.

vice-master node

A master-eligible node that has a copy of all the information on the master node. The vice-master node is available to become the master node in the event of a failover or switchover.

See also node and master node.

virtual address

The IP address of the CGTP interface.

See also virtual physical interface.

virtual disk

One partition of a physical disk that is configured using Solstice DiskSuite™ or Solaris Volume Manager. To an application, a virtual disk is functionally identical to a physical disk.

virtual logical interface

A logical interface associated with a virtual physical interface such as the CGTP interface. A logical interface associated to the CGTP interface can be called cgtp0:1.

One virtual physical interface can have many virtual logical interfaces.

See also virtual physical interface and CGTP interface.

virtual physical interface

The CGTP interface. The CGTP interface of a node can be called cgtp0.

See also virtual logical interface.

VLAN

(virtual local area network)

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