D - Definitions

  • D

    data recovery

    Data recovery restores data that has been lost, accidentally deleted, corrupted or made inaccessible. Learn how data recovery works, causes of data loss and data recovery techniques.

  • data replication

    Data replication copies data from one location to another using a SAN, LAN or local WAN. This allows organizations to have current data available in case a disaster occurs. There are two types of data replication: synchronous and asynchronous.

  • disaster recovery (DR)

    Disaster recovery strategies are critical, as many businesses fail following an unforeseen event. DR may require an internal or external site when a main data center is down.

  • disaster recovery (DR) test

    A disaster recovery (DR) test is the examination of each step in a disaster recovery program, as outlined in the business continuity/disaster recovery (BCDR) planning process. 

  • Disaster Recovery as a Service (DRaaS)

    Disaster recovery as a service (DRaaS) is the replication and hosting of physical or virtual servers by a third party to provide failover in the event of a man-made or natural catastrophe.

  • disaster recovery plan (DRP)

    A company's disaster recovery policy is enhanced with a documented DR plan that formulates strategies, and outlines preparation work and testing.

  • disaster recovery site (DR site)

    An organization uses a disaster recovery (DR) site to recover and restore its technology infrastructure and operations when its primary facility becomes unavailable. In deciding the location and setup of a disaster recovery site, a business must weigh costs against any risks, and heavily consider distance between the DR facility and the primary data center.

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