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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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