Storage Technology Definitions

This glossary explains the meaning of key words and phrases that information technology (IT) and business professionals use when discussing storage and related software products. You can find additional definitions by visiting WhatIs.com or using the search box below.

  • F

    file-area network (FAN)

    A file-area network (FAN) is a set of technologies that facilitate file sharing and data management over a network.

  • FLAPE

    FLAPE (flash plus tape) is an approach to tiered storage that allows administrators to archive data as soon as it is written.

  • flash cache appliance

    A NAND flash cache appliance is a dedicated network appliance that resides between the hosts and underlying storage arrays.

  • flash controller (flash memory controller)

    A flash controller is the part of solid-state flash memory that communicates with the host device and manages the flash file system directory.

  • flash file system

    Flash file systems are designed specifically for memory devices. A well-designed flash device and flash file system ensure flash-based capabilities are used efficiently.

  • flash memory

    Flash memory, also known as flash storage, is a type of nonvolatile memory that erases data in units called blocks.

  • flash memory card

    Flash storage memory cards use nonvolatile semiconductor memory to store pictures, audio and video data on portable and remote devices.

  • flash storage

    Flash-based storage, based on flash memory, is used for data repositories, storage systems and consumer devices, such as USB drives, smartphones and solid-state drives.

  • flash-based solid state drive (SSD)

    A flash solid state drive (SSD)  is a non-volatile storage device that stores persistent data in flash memory. 

  • floating gate transistor (FGT)

    A floating gate transistor (FGT) is a complementary metal-oxide semiconductor (CMOS) technology capable of holding an electrical charge in a memory device that is used to store data.

  • FPM DRAM (Fast Page Mode DRAM)

    Prior to newer forms of dynamic random access memory (DRAM), FPM DRAM (Fast Page Mode DRAM) was the most common kind of DRAM in personal computers.

  • FRAM (ferroelectric RAM)

    FRAM (ferroelectric RAM) is random access memory that combines the fast read and write access of dynamic RAM (DRAM) - the most common kind of personal computer memory - with the ability to retain data when power is turned off (as do other non-volatile memory devices such as ROM and flash memory).

  • FreeNAS Project

    The FreeNAS storage operating system is compatible with most major protocols and storage hardware and provides file sharing in a NAS environment.

  • fresh out of the box (FOB)

    Fresh out of the box (FOB) is a term used in solid state storage (SSS) to describe a flash memory device that has experienced few or no program/erase (P/E) cycles since the device was manufactured.

  • G

    garbage collection

    Garbage collection is the systematic recovery of pooled computer storage that is being used by a program when that program no longer needs the storage. (Continued...)

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