O - Definitions

  • O

    object storage

    Object storage, also called object-based storage, is an approach to addressing and manipulating units of storage called objects, in which files and metadata are combined.

  • ODX (Offloaded Data Transfer)

    Offloaded Data Transfer (ODX) is a feature in Microsoft Windows Server 2012 that speeds up copy and move operations by allowing them to be performed by the storage hardware rather than the operating system.

  • open source storage

    Open source storage is data storage software developed in a public, collaborative manner that permits the free use, distribution and modification of the source code.

  • OpenZFS

    OpenZFS is an open-source file system and logical volume manager for highly scalable storage with built-in features such as replication, deduplication, compression, snapshots, and data protection.

  • optical disc

    An optical disc is an electronic data storage medium that can be written to and read using a low-powered laser beam.

  • optical media

    Optical media - such as the compact disk (CD) - are storage media that hold content in digital form and that are written and read by a laser; these media include all the various CD and DVD variations, as well as optical jukeboxes and autochangers.

  • optical storage

    Optical storage is any storage method in which data is written and read with a laser for archival or backup purposes.

  • Orange Book

    Orange Book is the informal name for Philips and Sony's Recordable CD Standard.

  • orthogonal

    Orthogonal concepts have their roots in advanced mathematics. They are also associated with software development, storage and networking.

  • oversubscription

    Oversubscription, in a SAN (storage area network) switching environment, is the practice of connecting multiple devices to the same switch port to optimize switch use... (Continued)

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