Facilities & Operations Definitions

  • A

    array-based replication

    Array-based replication applies the functionality of data replication across one or more storage controllers, which eliminates the processing overhead from servers and makes it easier to copy large amounts of data.

  • C

    call tree

    A call tree -- sometimes referred to as a phone tree -- is a telecommunications chain for notifying specific individuals of an event.

  • D

    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 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.

  • E

    emergency communications plan (EC plan)

    An emergency communications plan (EC plan) provides guidelines, contact information and procedures for how information should be shared should a crisis that requires immediate action occur.

  • emergency notification system

    Emergency notification systems contain names, addresses, phone numbers and email addresses so crucial information can be communicated to employees during a disaster.

  • M

    mass notification system (MNS)

    A mass notification system is a platform that sends one-way messages to inform employees and the public of an emergency.

  • S

    synchronous replication

    Synchronous replication copies data over a SAN, LAN or WAN so multiple copies are available. The technique is used for applications with low recovery time objectives.

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