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Persistent data storage for cloud services
Block-level storage is a concept in cloud-hosted data persistence where cloud services emulate the behaviour of a traditional block device, such as a
Block-level_storage
Network which provides access to consolidated, block-level data storage
A storage area network (SAN) or storage network is a computer network which provides access to consolidated, block-level data storage. SANs are primarily
Storage_area_network
Storage of digital data readable by computers
VPC resources. There are three types of cloud storage: Object storage File storage Block-level storage is a concept in cloud-hosted data persistence where
Computer_data_storage
Computer data storage server
appliance or NAS box. NAS contrasts with block-level, storage area networks (SAN) and direct-attached storage (DAS). A NAS device is optimised for serving
Network-attached_storage
Computer data storage architecture that manages data as objects
opposed to other storage architectures like file systems, which manage data as a file hierarchy, and block storage, which manages data as blocks within sectors
Object_storage
Sequence of bits or bytes of a fixed size
In computing (specifically data transmission and data storage), a block, sometimes called a physical record, is a sequence of bytes or bits, usually containing
Block_(data_storage)
Form of non-volatile memory used in computers and other electronic devices
devices. On a technical level the gains have been achieved by increasing parallelism both in controller design and of storage, the use of large DRAM read/write
Read-only_memory
Any of a set of standard configurations of Redundant Arrays of Independent Disks
In computer storage, the standard RAID levels comprise a basic set of RAID ("redundant array of independent disks" or "redundant array of inexpensive
Standard_RAID_levels
Model of computer data storage
are three types of cloud storage: a hosted object storage service, file storage, and block storage. Each of these cloud storage types offer their own unique
Cloud_storage
Computer memory type used for data preservation
5D optical data storage is an experimental nanostructured glass for permanently recording digital data using a femtosecond laser writing process. It is
5D_optical_data_storage
Recording of information in a storage medium
Disaggregated storage Disk drive performance characteristics Disk storage Distributed block storage Electronic quantum holography External storage Flip-flop
Data_storage
Computer memory that does not lose its contents after being turned off
Non-volatile memory (NVM) or non-volatile storage is a type of computer memory that can retain stored information even after power is removed. In contrast
Non-volatile_memory
Computer memory that loses its contents when unpowered
has several uses, including as primary storage. In addition to usually being faster than forms of mass storage such as a hard disk drive, volatility can
Volatile_memory
Early form of read-only memory
Corporation in the 1950s, as it was a popular technology for program and data storage in that era. It was later used in the 1960s by early NASA Mars space probes
Core_rope_memory
Persistent computer data storage with no moving parts
a block of random-access memory that the operating system treats as if it were secondary storage Sequential access memory – a class of data storage devices
Solid-state_storage
Method to store and retrieve computer data using optics
Optical storage is a class of data storage systems that use light to read or write data to an underlying optical media. Although a number of optical formats
Optical_storage
Type of computer memory used from 1955 to 1975
resource, technologies were developed to swap blocks of data "out of core" onto larger, slower storage. Algorithms whose working set size exceeds main
Magnetic-core_memory
Magnetic data storage device
used as secondary storage were addressed by block. Several modes of block addressing were possible, depending on the device. Blocks took up an entire
Drum_memory
Data storage technologies that use magnetic tape
storage is a system for storing digital information on magnetic tape using digital recording. Commercial magnetic tape products used for data storage
Magnetic-tape_data_storage
Component that stores information
located in computer memory. The terms memory, main memory, and primary storage are also used for computer memory. Computer memory is often referred to
Computer_memory
Process of encoding and decoding binary data to and from synthesized strands of DNA
digital data storage is the process of encoding and decoding binary data to and from synthesized strands of DNA. While DNA as a storage medium has enormous
DNA_digital_data_storage
Computer storage device with no moving parts
of solid-state storage device that uses integrated circuits to store data persistently. It is sometimes called semiconductor storage device, solid-state
Solid-state_drive
Early type of solid state computer memory
(usually an 8-bit byte) of storage to the output buffer amplifiers. Each bit of the word is a 1 or 0, depending on the storage transistor being switched
EPROM
Type of memory used on graphics cards
in 1998. Compared to DDR SDRAM which is byte-accessible, GDDR SDRAM is block-accessible. (1 lane is equivalent to 1 bit/transfer.) Video random-access
GDDR_SDRAM
Discontinued computer memory type
under the brand name Optane (Intel) from April 2017 to July 2022. Bit storage is based on a change of bulk resistance, in conjunction with a stackable
3D_XPoint
Type of computer memory
Some early memory cards in the late 1980s to early 1990s used SRAM as a storage medium, which required a lithium battery to retain the contents of the
Static_random-access_memory
Type of computer memory
memory to be written only in blocks, which greatly simplifies the internal wiring and allows for higher densities. Memory storage density is the main determinant
Non-volatile random-access memory
Non-volatile_random-access_memory
Early type of computer memory
these devices. A later version of the delay line used steel wires as the storage medium. Transducers were built by applying the magnetostrictive effect;
Delay-line_memory
Data storage device
hybrid drive – SSHD, and dual-storage drive) is a logical or physical computer storage device that combines a faster storage medium such as solid-state drive
Hybrid_drive
Form of shared internet-based computing
file can run without affecting the application in which it runs. Block-level storage Browser-based computing Category:Cloud computing providers Category:Cloud
Cloud_computing
Open-source storage platform
free and open-source software-defined storage platform that provides object storage, block storage, and file storage built on a common distributed cluster
Ceph_(software)
Computer memory used for small quantities of data
non-volatile solid-state storage. EEPROMs, however, are still used on applications that only require small amounts of storage, like in serial presence
EEPROM
Data storage device
memory is a digital electronic semiconductor device used for digital data storage, such as computer memory. It typically refers to devices in which data
Semiconductor_memory
Computer memory architecture
separates computer storage into a hierarchy based on response time. Since response time, complexity, and capacity are related, the levels may also be distinguished
Memory_hierarchy
Form of computer memory
location of data inside the memory, in contrast with other direct-access data storage media (such as hard disks and magnetic tape), where the time required to
Random-access_memory
Type of computer data storage
distributed block storage. If it is software layered over sophisticated large storage arrays, it suggests software such as storage virtualization or storage resource
Software-defined_storage
Type of computer memory
Univ Announce Multi-level Cell SPRAM — Tech-On!". Techon.nikkeibp.co.jp. Retrieved 2014-01-09. "Extremely fast MRAM data storage within reach" (Press
Magnetoresistive_RAM
Memory card format
MultiMediaCard (MMC) is a memory card standard used for solid-state storage, originally introduced in 1997 by SanDisk, Siemens, and Nokia. Designed as
MultiMediaCard
Type of computer memory
memory matrix has 64 million (the product of banks x rows x columns) 4-bit storage locations. There are ×4, ×8, and ×16 DDR chips. The ×4 chips allow the
DDR_SDRAM
Replaceable device used for the distribution and storage of video games
manufacturing of ROM cartridges was more expensive than floppy disks, and the storage capacity was smaller. ROM cartridges and slots were also used for various
ROM_cartridge
Computer data storage
American manufacturer of enterprise computer data storage systems that provided block-level storage resources to small and medium sized IT infrastructures
Compellent_Technologies
Linux distribution
Enterprise Storage OS, also known as ESOS, is a Linux distribution that serves as a block-level storage server in a storage area network (SAN). ESOS is
Enterprise_Storage_OS
2-D grid of wires where data is represented by the presence or absence of diodes at nodes
Apollo Guidance Computer, and the capacitor and transformer read-only storage (CCROS and TROS) used across the IBM System/360 family. A person would
Diode_matrix
Novel type of computer memory
The primary disadvantages of FeRAM are much lower storage densities than flash devices, storage capacity limitations and higher cost. Like DRAM, FeRAM's
Ferroelectric_RAM
Type of computer memory
appropriate logic level. Since the data is already in the output buffer, quicker access time is achieved (up to 50% for large blocks of data) than with
Dynamic_random-access_memory
Electronic non-volatile computer storage device
Flash memory is an electronic non-volatile computer memory storage medium that can be electrically erased and reprogrammed. The two main types of flash
Flash_memory
Computer network with multiple nodes to store information
system or a peer-to-peer network, Amazon's Dynamo and Microsoft Azure Storage. As the ability of arbitrary querying is not as important as the availability
Distributed_data_store
Sharing information to ensure consistency in computing
conducts data replication at the logical level (i.e., individual data files) rather than at the storage block level. There are many different ways of performing
Replication_(computing)
Data storage device
A USB flash drive (also known as a thumb drive) is a data storage device that includes flash memory with an integrated USB interface. A typical USB drive
USB_flash_drive
Data recording made of plastic film
Magnetic tape is a medium for magnetic storage made of a thin, magnetizable coating on a long, narrow strip of plastic film. It was developed in Germany
Magnetic_tape
American software company
2019). "Let there be Lightbits: Hardware-software tag team touts block-level storage at SSD latencies". The Register. Dor, Ofir (September 29, 2020).
Lightbits_Labs
of Storage area network (SAN) management systems. A storage area network is a dedicated network that provides access to consolidated, block level data
List of storage area network management systems
List_of_storage_area_network_management_systems
Obsolete type of non-volatile computer memory
consider it a contender for a "universal memory" that could be used for all storage needs. The introduction of dramatically faster semiconductor memory chips
Bubble_memory
Providing to a computer system a logical view of physical storage
within a storage system, along with hardware and special purpose embedded software within the system. Storage systems can provide either block accessed
Storage_virtualization
Novel computer memory type
write times for common flash devices are on the order of 100 μs (for a block of data), about 10,000 times the typical 10 ns read time for SRAM for example
Phase-change_memory
Early form of computer memory
early form of computer memory. It was the first random-access digital storage device, and was used successfully in several early computers. The Williams
Williams_tube
Pseudo-static random-access memory technology introduced by MoSys Inc.
(SRAM) in embedded memory applications. Mosys uses a single-transistor storage cell (bit cell) like dynamic random-access memory (DRAM), but surrounds
1T-SRAM
Magnetic tape data storage technology
Tape-Open (LTO), also known as the LTO Ultrium format, is a magnetic tape data storage technology used for backup, data archiving, and data transfer. It was originally
Linear_Tape-Open
Operating principle for certain storage media
Wear leveling (also written as wear levelling) is a technique for prolonging the service life of some kinds of erasable computer storage media, such as
Wear_leveling
Dynamic random-access memory included in a processor chip or package
eDRAM is positioned between level 3 cache and conventional DRAM on the memory bus, and effectively functions as a level 4 cache, though architectural
EDRAM
Use of paper as computer memory
Paper data storage refers to the use of paper as a data storage device. This includes writing, illustrating, and the use of data that can be interpreted
Paper_data_storage
Novel type of computer memory
and may enable vertically stacking memory layers, ideal suited for mass-storage devices. However, in the absence of any transistors, isolation must be
Resistive random-access memory
Resistive_random-access_memory
Random-access memory with processing elements integrated on the same chip
increased chip temperatures result in faster charge leakage from the DRAM storage cells, computational DRAM is expected to require more frequent DRAM refresh
Computational_RAM
Electro-mechanical data storage device
manner, meaning that individual blocks of data can be stored and retrieved in any order. HDDs are a type of non-volatile storage, retaining stored data when
Hard_disk_drive
Part of computer memory
The memory cell is the fundamental building block of computer memory. The memory cell is a device, such as an electronic circuit, that stores one bit
Memory_cell_(computing)
Flat, usually circular disc that encodes binary data
main uses are the distribution of electronic media and data, and archival storage. The encoding material sits atop a thicker substrate (usually polycarbonate)
Optical_disc
Stacked combination of two or more standard RAID levels
used standard RAID levels are layered in the opposite order; thus, RAID 10 is a stripe of mirrors. RAID 10, as recognized by the storage industry association
Nested_RAID_levels
Early type of computer memory
mind'", New Scientist, 5 November 1964, p. 344 Bobeck, A.H. (1957). "A New Storage Element Suitable for Large-Sized Memory Arrays—The Twistor". Bell System
Twistor_memory
Type of computer memory
might be made of eight or nine SDRAM chips, each containing 512 Mbit of storage, and each one contributing 8 bits to the DIMM's 64- or 72-bit width. A
Synchronous dynamic random-access memory
Synchronous_dynamic_random-access_memory
Removable disk storage medium
diskette, or floppy diskette is a type of disk storage made from a thin, flexible disk coated with a magnetic storage medium. It is enclosed in a square or nearly
Floppy_disk
deduplication may work at a segment or sub-block level, single-instance storage works at the whole-file level and eliminates redundant copies of entire
Single-instance_storage
Variant of magnetic-core computer memory
magnetic coating. Improvements in semiconductor RAM chips provided the higher storage densities and higher speeds needed for large-scale application such as
Plated-wire_memory
Obsolete type of novel computer memory based on DRAM
a reduced cell size would have allowed denser storage, which in turn could (when used with large blocks) have improved access times by reducing the physical
Z-RAM
Component of the Linux kernel's device mapper
which is a framework for mapping block devices onto higher-level virtual block devices. It allows one or more fast storage devices, such as flash-based solid-state
Dm-cache
connecting computers and storage devices to the SAN. Supports Linux and Solaris operating systems. Supports all SAN-based, block-level storage protocols including
Nasan
and include services such as Elastic Compute Cloud, Simple Storage Service, Elastic Block Store, and Amazon Virtual Private Cloud". InformationWeek. Archived
Timeline of Amazon Web Services
Timeline_of_Amazon_Web_Services
Novel computer memory type
If it were to be developed successfully, racetrack memory would offer storage density higher than comparable solid-state memory devices like flash memory
Racetrack_memory
Inefficient use of storage space
free memory is separated into small blocks and is interspersed by allocated memory. It is a weakness of certain storage allocation algorithms when they fail
Fragmentation_(computing)
Obsolete form of removable media
storage, introduced in the 1960s. A disk pack is a layered grouping of hard disk platters (circular, rigid discs coated with a magnetic data storage surface)
Disk_pack
IEEE Standards Association storage security group
the following block encryption standards: IEEE Std 1619-2025 (Standard for Cryptographic Protection of Data on Block-Oriented Storage Devices) uses the
IEEE Security in Storage Working Group
IEEE_Security_in_Storage_Working_Group
Data processing technique to eliminate duplicate copies of repeating data
deduplication may work at a segment or sub-block level, single instance storage works at the object level, eliminating redundant copies of objects such
Data_deduplication
Copy-on-write file system
management of one or more block storage devices (such as hard drives and SD cards), including their organization into logical block devices as VDEVs (ZFS
ZFS
Phenomenon associated with solid state storage
is usually less as some storage space is needed for the controller to keep track of non-operating system data such as block status flags. The 7.37% figure
Write_amplification
Novel type of computer memory
weights in lieu of storage implies significantly different requirements when it comes to target resistance range, number of levels, and programming speed
Electrochemical_RAM
Data storage technology
standardized by the Storage Networking Industry Association (SNIA) in the Common RAID Disk Drive Format (DDF) standard: RAID 0 consists of block-level striping,
RAID
Distributed replicated storage system for Linux
Distributed Replicated Block Device (DRBD) is a distributed replicated storage system for the Linux platform. It mirrors block devices between multiple
DRBD
Topics referred to by the same term
Look up Block, Blocks, block, blocked, or blocks in Wiktionary, the free dictionary. Block or blocked may refer to: Block programming, the result of a
Block
Energy storage technology company
Energy Vault is a global energy storage company specializing in gravity and kinetic energy based, long-duration energy storage products. Energy Vault's primary
Energy_Vault
Storage device technology
UltraRAM is an emerging storage device technology and brand name that aims to "combine the non-volatility of a data storage memory, like flash, with the
UltraRAM
Early and obsolete type of computer memory
as electrostatic charges using technology similar to the Williams tube storage device. The team was never able to produce a commercially viable design
Selectron_tube
Computer memory management methodology
Memory management (also dynamic memory management, dynamic storage allocation, or dynamic memory allocation) is a form of resource management applied
Memory_management
Novel type of computer memory
about the limit of the perpendicular recording hard drives. Millipede storage technology was pursued as a potential replacement for magnetic recording
Millipede_memory
Type of decentralized filesystem
information other nodes are accessing. The underlying storage area network may use any of a number of block-level protocols, including SCSI, iSCSI, HyperSCSI,
Clustered_file_system
Backup and disaster recovery software
providers. Veeam Backup & Replication is storage-agnostic, but it also has specialized storage integrations with some storage systems such as Cisco HyperFlex,
Veeam_Backup_&_Replication
capacitor. The 1T-DRAM family of memories, including A-RAM, replaced the storage capacitor for the floating body of SOI transistors to store the charge
A-RAM
General category of storage mechanisms
gaps between blocks. Digital disk drives are block storage devices. Each disk is divided into logical blocks (collection of sectors). Blocks are addressed
Disk_storage
Reserved word in some programming languages
and functions. Block-scoped declaration: to declare a variable with static instead of automatic storage duration. C doesn't support block-scoped functions
Static_(keyword)
cluster file systems) are primarily used in a storage area network where all nodes directly access the block storage where the file system is located. This makes
List_of_file_systems
2010 the Storage Central series was replaced by Netgear storage products using the ReadyNAS name. The SC101 provided a block-level storage area network
Netgear_SC101
Nonlinear two-terminal fundamental circuit element
junctions. The memristor plays a crucial role in mimicking the charge storage effect in the diode base, and is also responsible for the conductivity
Memristor
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