Storage Technology Definitions

  • A

    archive

    In enterprise data storage, an archive is a collection of infrequently accessed data that needs to be stored for long periods of time to meet backup and compliance requirements.

  • areal density

    Areal density measures the amount of data that can be stored on a given amount of physical space on a disk drive.

  • array-based memory

    Array-based memory is an evolving solid-state storage technology similar to flash memory but with potentially greater storage capacity. The increased capacity results from the fact that array-based memory is three-dimensional (3D) while most traditional memory and storage media are two-dimensional (2D)... (Continued)

  • array-based SSD

    An array-based SSD is a solid state drive manufactured in a form factor that can be installed in a typical storage array.

  • ASPI (Advanced SCSI Programming Interface)

    ASPI (Advanced SCSI Programming Interface) specifies how an application program can communicate with a SCSI (Small Computer System Interface) device through a common SCSI device driver.

  • ATA over Ethernet (AoE)

    ATA over Ethernet (AoE) is an open source network protocol designed to connect storage devices and servers in a storage area network (SAN). ATA (Advanced Technology Attachment) is a standard interface for communication between storage devices; it is known in the computer industry as Integrated Drive Electronics, or IDE. In AoE, the ATA commands are transported directly via Ethernet. That makes AoE an inexpensive alternative to Fibre Channel SANs, which require costly dedicated networks.

  • atomic storage (atomic memory)

    Atomic storage (sometimes called atomic memory) is a nanotechnology approach to computer data storage that works with bits and atoms on the individual level.

  • autoloader (or stackloader)

    A stackloader (also known as an autoloader) is a tape storage device that automatically loads tape cartridges using a robotic mechanism.

  • automated data tiering

    Automated data tiering is a type of software program that moves data files, volumes or blocks between tiered storage according to company-defined policy.

  • automated storage tiering (AST)

    Automated storage tiering (AST) is a storage software management feature that dynamically moves information between different disk types and RAID levels to meet space, performance and cost requirements.

  • auxiliary storage

    Auxiliary storage is all addressable data storage that is not currently in a computer's main storage or memory.

  • B

    backup robot

    A backup robot is an automated external USB storage device that supports multiple removable SATA hard drives. The device offers small businesses and consumers many of the benefits of smart storage without the cost or complexity of RAID systems.

  • bad block

    A bad block is a damaged area of magnetic storage media (i.e., hard disk) that cannot reliably be used to store and retrieve data.

  • bare metal restore

    In disaster recovery, a bare metal restore is the process of reformatting a computer from scratch after a catastrophic failure.

  • bare-metal cloud

    Bare-metal cloud is a public cloud service installed directly on hardware with no virtualized infrastructure.

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