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HP Extended Distance Cluster


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HP Extended Distance Cluster is HP’s entry-level solution for disaster tolerance.  It offers failover capabilities for mission-critical data and applications up to 100 kilometers apart, ensuring that your business remains running in the event of a system failure or disaster.

Extended Distance Cluster uses software-based data replication and represents the most cost-effective solution for customers seeking to protect their data and maximize application availability.

Key Features

  • Automatic and bi-directional failover of mission-critical data and applications located up to 100 kilometers apart - so both data centers can be active, protected, and capable of handling package failover for one another
  • Access to on-demand capacity and the policy-based HP-UX Workload Manager
  • Support for up to 16 HP 9000 or HP Integrity servers
  • Host-based data replication (Mirrordisk/UX) with any storage device


  • Businesses are able to meet stringent recovery point objectives (RPOs) and recovery time objectives (RTOs).
  • Computing resources remain available, even during critical conditions.
  • Application downtime is reduced through fast application failover time, and planned downtime is reduced through rolling upgrades.
  • Critical data is protected, resources can be pooled, and the recovery process can be easily tested.

When Extended Distance  Cluster is appropriate

  • Cost is an issue
  • High throughput links for maximum performance are desirable
  • Dark fiber already exists or is readily available
  • An active/active RAC disaster-tolerant solution is required

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