Service Level Agreements
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Definition of Terms (continued)

  • Disaster Recovery
  • Business function recovery between geographically separated data centers using a storage replication system between the data centers.
  • The output of disaster recovery planning is a disaster recovery project plan.
  • The goal is to minimize downtime for business functions, not systems.
  • Business function recovery times and maximum allowable data loss is specified during the business impact analysis.
  • High Availability
  • Business function fail over between two or more physical frames within the same data center using a single shared storage location.
  • Elimination of single points of failure (SPOF's) are a necessary part of HA.
  • The goal is to minimize downtime for business functions, not computer systems.
  • This is NOT non-stop computing, downtime will be experienced during fail over.

    • For assistance with designing, writing, implementing, and supporting your Service Level Agreements (SLA), please contact Mt Xia.

    Slide ID:MXSLA-5