Definition

VMware HA (High Availability)

This definition is part of our Essential Guide: The VMware infrastructure monitoring encyclopedia

VMware HA (High Availability) is a utility that eliminates the need for dedicated standby hardware and software in a virtualized environment. The utility is part of a virtualization suite called VMware Infrastructure 3. In IT (information technology), the term high availability refers to a system or component that is continuously operational for long periods.

Key features of VMware HA include:

  • Proactive monitoring of all physical servers and virtual machines
  • Automatic detection of server failure
  • Rapid restart of virtual machines affected by server failure
  • Optimal placement of virtual machines after server failure
  • Scalable availability up to 32 nodes across multiple servers

VMware, a subsidiary of EMC Corporation, is headquartered in Palo Alto, California and provides virtualization software for x86-compatible computers.

This was last updated in March 2008

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