Browse Definitions :

Storage hardware

Terms related to storage hardware, including definitions about solid state drives and words and phrases about hard disk drives, tape drives, disk arrays and tiered storage.

HDC - SSD

  • HDCD (High Definition Compatible Digital) - HDCD (High Definition Compatible Digital) is a digital encoding and decoding process for compact disc and DVD audio recording.
  • Heartbeat - Heartbeat is a program that runs specialized scripts automatically whenever a system is initialized or rebooted.
  • holographic disk drive - A holographic disk drive is a holographic storage device that uses a laser to store data to optical media in three dimensions, maximizing storage capacity by using the media's depth.
  • holographic storage (holostorage) - Holographic storage is computer storage that uses laser beams to store computer-generated data in three dimensions.
  • hot plug - Hot plug is the addition of a component to a running computer system without significant interruption to the operation of the system.
  • HVD (holographic versatile disc) - Holographic versatile disc (HVD) is a medium of holographic storage that looks like a DVD but is capable of storing far more data.
  • hybrid database - A hybrid database is a type of real-time database system that uses both on-disk and in-memory data storage by deciding which is most suitable for a given task.
  • hybrid flash array - A hybrid flash array is a solid-state storage system that contains a mix of flash memory drives and hard disk drives.
  • hybrid hard drive (HHD) - A hybrid hard drive (HHD), sometimes known as a solid-state hybrid drive (SSHD), is a mass storage device that combines a conventional hard disk drive and a NAND flash module.
  • hyper-converged appliance - A hyper-converged appliance is a hardware device that provides multiple data center management technologies within a single box.
  • I/O fencing (input/output fencing) - I/O (input/output) fencing is the isolation of a malfunctioning node from a cluster's shared storage to protect the integrity of data.
  • IBM racetrack memory - Racetrack memory is a type of non-volatile, solid-state nanotech memory being developed by IBM.
  • IOPS (input/output operations per second) - IOPS measures the maximum number of reads and writes to non-contiguous storage.
  • IP storage - IP storage is a general term for several approaches to using the Internet Protocol (IP) in a storage area network (SAN) usually over Gigabit Ethernet.
  • iSCSI switch (Internet Small Computer System Interface switch) - An iSCSI switch is an appliance that processes and channels data between an iSCSI initiator and target on a storage device.
  • Jaz drive - A Jaz drive is a small, portable hard disk drive used primarily for backing up and archiving personal computer files.
  • JEDEC - JEDEC is a global industry group that develops open standards for microelectronics.
  • LCD (Liquid Crystal Display) - LCD (Liquid Crystal Display) is a type of flat panel display which uses liquid crystals in its primary form of operation.
  • Lenovo Converged HX series - HX hyper-converged infrastructure appliances are designed for virtual desktop infrastructure (VDI), server virtualization, private and hybrid clouds, enterprise applications and remote/branch office (ROBO) environments.
  • LTO-5 - LTO-5 is a tape format released in 2010 by the Linear Tape-Open Consortium.
  • M.2 SSD - An M.2 SSD is a solid-state drive (SSD) that conforms to a computer industry specification and is used in internally mounted storage expansion cards of a small form factor.
  • magnetic storage - Magnetic storage has been around in many forms since 1888 by Oberlan Smith, who publicized his audio recording on a wire in Electrical World.
  • MDRAM (Multibank Dynamic RAM) - Multibank Dynamic RAM (MDRAM) is a type of video RAM, developed by MoSys, that divides memory into multiple 32 kilobyte parts or "banks" that can be accessed individually.
  • memory mirroring - Memory mirroring is the division of memory on a server into two channels.
  • Memory Stick - Developed by Sony, the Memory Stick is a digital data storage technology with up to 10 times the storage capacity of a 3.
  • MO-297 - MO-297 is a JEDEC standard that defines the layout, connector positions and physical dimensions for a 54mm x 39mm solid state drive (SSD) with a Serial Advanced Technology Attachment (SATA) connector.
  • mount point - Whether it comes from a partition on the same drive, a new hard drive, media inserted into an optical drive or some form of flash memory, any file system must be mounted before it can be displayed and its file system read.
  • multi-level cell (MLC) - Multi-level cell flash is a type of NAND flash memory that can store more than 1 bit per cell.
  • multi-level cell (MLC) flash - Multi-level cell (MLC) flash writes two data segments to the same cell, effectively doubling the capacity of flash storage media.
  • Multi-Root IOV (MR-IOV) - Multi-Root IOV (MR-IOV).
  • multisession CD - A multisession CD is a recordable CD format (like a CD-R) that allows the recording of a compact disk to be conducted in more than one recording session.
  • NAND flash memory - NAND flash memory is a type of nonvolatile storage technology that does not require power to retain data.
  • NAND flash wear-out - NAND flash wear-out is the breakdown of the oxide layer within the floating-gate transistors of NAND flash memory.
  • NAS Appliance - NAS appliances are commodity hardware that includes their own dedicated storage disks and RAID that can easily scale as more capacity is needed.
  • NAS filer (network-attached storage filer) - NAS filers add scalable, expandable storage for file-serving purposes in data sharing, cloud applications, Internet and enterprise networks, in both Fibre Channel SANs and Ethernet LANs.
  • nearline storage - Nearline storage is the on-site storage of data on removable media.
  • network-attached storage (NAS) - Network-attached storage (NAS) is dedicated file storage that enables multiple users and heterogeneous client devices to retrieve data from centralized disk capacity.
  • Nimboxx Inc. - Nimboxx Inc.
  • non-volatile storage (NVS) - Non-volatile storage (NVS) is a broad collection of technologies and devices that do not require a continuous power supply to retain data or program code persistently on a short- or long-term basis.
  • NOR flash memory - NOR flash memory is one of two types of non-volatile storage technologies.
  • 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.
  • optical storage - Optical storage is any storage type in which data is written and read with a laser.
  • overprovisioning (SSD overprovisioning) - Overprovisioning, in a storage context, is the inclusion of extra storage capacity in a flash solid state drive (SSD).
  • 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.
  • P/E cycle - A solid-state-storage program-erase cycle is a sequence of events in which data is written to solid-state NAND flash memory cell (such as the type found in a so-called flash or thumb drive), then erased, and then rewritten.
  • PCIe SSD (PCIe solid-state drive) - A PCIe SSD (PCIe solid-state drive) is a high-speed expansion card that attaches a computer to its peripherals.
  • Peltier effect - The Peltier effect is a temperature difference created by applying a voltage between two electrodes connected to a sample of semiconductor material.
  • phase-change cooling (vapor cooling) - Phase-change cooling, also called vapor cooling, is a microprocessor-cooling technology that works according to the same principles as a conventional refrigerator, freezer or air conditioner.
  • Photo CD - Photo CD is a process from Kodak that puts film images (including scanned prints and slides) on a compact disk as digitally stored images that you can view or work with at your computer.
  • PLEDM (phase-state low electron drive memory) - PLEDM (phase-state low electron drive memory) is a new memory microchip technology that offers vastly greater capacity than memory devices commonly used in the past.
  • podslurping (slurping) - Podslurping (sometimes just called slurping) is the unauthorized download of data from a computer to a small device with storage capacity, such as a flash drive or an iPod or other MP3 player.
  • port interface card (PIC) - A port interface card (PIC) is a computer circuit board that provides multiple, diverse interfaces for connections to external networks.
  • preventive maintenance - Preventive maintenance is the practice of routinely taking measures in hardware administration that reduces the risk of failures and improves the likelihood of quick recovery in the event that a failure does occur.
  • primary storage (main storage) - Primary storage is the collective methods and technologies used to capture and retain digital information that is in active use and critical for an organization’s operations.
  • programmable read-only memory (PROM) - Programmable read-only memory (PROM) is read-only memory (ROM) that can be modified once by a user.
  • QNAP Systems Inc. (Quality Network Appliance Provider Systems Inc.) - QNAP Systems Inc.
  • queue depth - Queue depth, in storage, is the number of pending input/output (I/O) requests for a volume.
  • rack-scale flash - Rack-scale flash is flash-only storage that uses a high-speed interface to connect the storage more directly to the CPU than with a traditional storage array.
  • RAM-based solid state drive (SSD) - A RAM-based solid state drive is a storage device that is made from silicon microchips, has no moving parts and stores data electronically instead of magnetically.
  • RAMAC (random access method of accounting and control) - RAMAC (which stood for 'random access method of accounting and control') was the world's first computer disk storage system.
  • RAMDAC (random access memory digital-to-analog converter) - RAMDAC (random access memory digital-to-analog converter) is a microchip that converts digital image data into the analog data needed by a computer display.
  • read-intensive SSD (read-intensive solid-state drive) - A read-intensive solid-state drive (SSD) is a NAND flash-based storage or caching device used with applications that write data infrequently, in contrast to SSDs that target write-intensive workloads.
  • read-only memory (ROM) - Read-only memory, or ROM, is a type of computer storage containing non-volatile, permanent data that, normally, can only be read, not written to.
  • redundancy - Redundancy is a system design in which a component is duplicated so if it fails there will be a backup.
  • remote backup appliance - A remote backup appliance is a hardware device that ships with a backup software application pre-loaded.
  • removable media - Removable media is any type of storage device that can be removed from a computer while the system is running.
  • Robson - Robson is a mass storage system similar to a hybrid hard drive (HHD).
  • RRAM or ReRAM (resistive RAM) - RRAM or ReRAM (resistive random access memory) is a form of nonvolatile storage that operates by changing the resistance of a specially formulated solid dielectric material.
  • SAN-in-a-box - A SAN-in-a-box, also known as a SAN-in-a-can or a SAN kit, is a data storage device that includes all the basic SAN components are in a single package.
  • SAS SSD (Serial-Attached SCSI solid-state drive) - A SAS SSD (Serial-Attached SCSI solid-state drive) is a NAND flash-based storage or caching device designed to fit in the same slot as a hard disk drive (HDD) and use the SAS interface to connect to the host computer.
  • SATA 2 (SATA II) - SATA 2 is a marketing term to describe products that use a revised version of the Serial Advanced Technology Attachment (SATA) standard.
  • SATA controller - A SATA controller handles how hard drives are connected to a computer's motherboard.
  • SCSI controller (Small Computer System Interface controller) - A SCSI controller, also called a host bus adapter (HBA), is a card or chip that allows a SCSI storage device to communicate with the operating system across a SCSI bus.
  • SDRAM (synchronous DRAM) - SDRAM (synchronous DRAM) is a generic name for various kinds of dynamic random access memory (DRAM) that are synchronized with the clock speed that the microprocessor is optimized for.
  • Seebeck effect - The Seebeck effect describes the generation of electricity following the connection of two dissimilar electrical conductors or semiconductors that illustrates the thermoelectric effect.
  • Serial ATA (Serial Advanced Technology Attachment or SATA) - The SATA storage protocol transmits data in serial fashion between hard drives and computer systems.
  • Serial Storage Architecture (SSA) - Serial Storage Architecture (SSA) is an open standard for high-speed access to high-capacity disk storage.
  • server blade - A server blade is a thin, modular electronic circuit board containing one, two, or more microprocessors and memory, that is intended for a single, dedicated application (such as serving Web pages) and that can be easily inserted into a blade server, which is a space-saving rack with many similar servers.
  • server-based SSD - A server-based SSD is a solid state drive that may be manufactured in a PCI Express form factor.
  • Shared SAS - Shared serial-attached SCSI (SAS) is a method for attaching more than one server to a storage array via individual point-to-point or SAS switched connections.
  • short stroking - Short stroking is the practice of formatting a disk drive such that data is written only to the outer sectors of the disk's platters.
  • Single Root I/O Virtualization (SR-IOV) - Single Root I/O Virtualization (SR-IOV) is a peripheral component interconnect (PCI) Special Interest Group specification for sharing PCIe devices within a single computer.
  • single-level cell (SLC) flash - Single-level cell (SLC) flash is a type of solid-state storage that stores one bit of data per cell of flash media.
  • SmartMedia card - A SmartMedia card (originally called a solid-state floppy disk card, or SSFDC) is a memory card developed by Toshiba that uses flash memory to store data and to make it portable among devices, such as digital cameras, personal digital assistants (PDAs), and other handheld devices.
  • SNIA Solid-State Storage Initiative (SSSI) - The Solid State Storage Initiative (SSSI) is an initiative formed by the Storage Network Industry Association (SNIA) to help foster and grow the adoption of solid-state storage in enterprise and client environments.
  • solid state drive (SSD) capacity - solid state drive (SSD) capacity.
  • solid state module (SSM) - A solid state module is solid state storage that resides in a Dual In-line Memory Module (DIMM) or similar form factor.
  • solid state storage (SSS) garbage collection - Garbage collection, like TRIM, pro-actively eliminates the need for whole block erasures prior to every write operation.
  • solid state storage auto-tiering - Solid state storage auto tiering is automatically moving data that needs to accessed frequently to more expensive single-level cell (SLC) solid state storage and moving data that does not require frequent access to less expensive multi-level cell (MLC) solid state media or other lower cost, higher capacity drives.
  • Solid State Storage Performance Test Specification (SSS PTS) - Solid State Storage Performance Test Specification (SSS PTS) is a set of procedures for evaluating the performance of NAND-based solid state storage (SSS).
  • solid state storage technologies comparison - Solid-state storage (SSS) is an increasingly popular backup alternative to traditional storage technologies such as the hard disk drive (HDD), compact disc, rewriteable (CD-RW), and digital versatile disc RAM (DVD-RAM).
  • solid-state storage - Solid-state storage (SSS) is a type of computer storage media made from silicon microchips.
  • solid-state storage UBER - Solid-state storage UBER (unrecoverable bit error rate) is the percentage of bits that have errors relative to the total number of bits that have been read.
  • spindle - A spindle is a shaft that holds rotating hard disk drive (HDD) platters in place.
  • SRAM (static random access memory) - SRAM (static RAM) is random access memory (RAM) that retains data bits in its memory as long as power is being supplied.

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