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31 relations: Asynchronous communication, Btrfs, Business continuance volume, Continuous availability, Data storage, Dell EMC, Disaster recovery, Disk array, Disk array controller, Disk cloning, Distributed Replicated Block Device, File copying, File system, Hard disk drive, Hot spare, Hot swapping, Linux Foundation, Logical disk, Mdadm, Microcode, Real-time computing, Recovery point objective, Red Hat, Replication (computing), Server (computing), Snapshot (computer storage), Software, Stable storage, Standard RAID levels, Synchronization, ZFS.
Asynchronous communication
In telecommunications, asynchronous communication is transmission of data, generally without the use of an external clock signal, where data can be transmitted intermittently rather than in a steady stream.
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Btrfs
Btrfs (pronounced as "butter fuss", "better F S", "butter F S", "b-tree F S", or simply by spelling it out) is a file system based on the copy-on-write (COW) principle, initially designed at Oracle Corporation for use in Linux.
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Business continuance volume
In disk arrays, a business continuance volume, or BCV, is EMC Corporation's term for an independently addressable copy of a data volume, that uses advanced mirroring technique for business continuity purposes.
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Continuous availability
Continuous Availability is an approach to computer system and application design that protects users against downtime, whatever the cause and ensures that users remain connected to their documents, data files and business applications.
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Data storage
Data storage is the recording (storing) of information (data) in a storage medium.
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Dell EMC
Dell EMC (formerly EMC Corporation until 2016) is an American multinational corporation headquartered in Hopkinton, Massachusetts, United States.
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Disaster recovery
Disaster recovery (DR) involves a set of policies, tools and procedures to enable the recovery or continuation of vital technology infrastructure and systems following a natural or human-induced disaster.
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Disk array
Typically a disk array provides increased availability, resiliency, and maintainability by using existing components (controllers, power supplies, fans, etc.), often up to the point where all single points of failure (SPOFs) are eliminated from the design.
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Disk array controller
A disk array controller is a device which manages the physical disk drives and presents them to the computer as logical units.
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Disk cloning
Disk cloning is the process of copying the contents of one computer hard disk to another disk or to an "image" file.
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Distributed Replicated Block Device
DRBD is a distributed replicated storage system for the Linux platform.
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File copying
In digital file management, file copying is the creation of a new file which has the same content as an existing file.
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File system
In computing, a file system or filesystem controls how data is stored and retrieved.
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Hard disk drive
A hard disk drive (HDD), hard disk, hard drive or fixed disk is an electromechanical data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material.
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Hot spare
A hot spare or warm spare or hot standby is used as a failover mechanism to provide reliability in system configurations.
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Hot swapping
Hot swapping (frequently inaccurately called hot plugging) is replacing or adding components without stopping or shutting down the system.
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Linux Foundation
The Linux Foundation (LF) is dedicated to building sustainable ecosystems around open source projects to accelerate technology development and commercial adoption.
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Logical disk
A logical disk, logical volume or virtual disk (VD or vdisk for short) is a virtual device that provides an area of usable storage capacity on one or more physical disk drive(s) in a computer system.
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Mdadm
mdadm is a GNU/Linux utility used to manage and monitor software RAID devices.
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Microcode
Microcode is a computer hardware technique that imposes an interpreter between the CPU hardware and the programmer-visible instruction set architecture of the computer.
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Real-time computing
In computer science, real-time computing (RTC), or reactive computing describes hardware and software systems subject to a "real-time constraint", for example from event to system response.
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Recovery point objective
A recovery point objective (RPO) is defined by business continuity planning.
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Red Hat
Red Hat, Inc. is an American multinational software company providing open-source software products to the enterprise community.
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Replication (computing)
Replication in computing involves sharing information so as to ensure consistency between redundant resources, such as software or hardware components, to improve reliability, fault-tolerance, or accessibility.
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Server (computing)
In computing, a server is a computer program or a device that provides functionality for other programs or devices, called "clients".
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Snapshot (computer storage)
In computer systems, a snapshot is the state of a system at a particular point in time.
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Software
Computer software, or simply software, is a generic term that refers to a collection of data or computer instructions that tell the computer how to work, in contrast to the physical hardware from which the system is built, that actually performs the work.
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Stable storage
Stable storage is a classification of computer data storage technology that guarantees atomicity for any given write operation and allows software to be written that is robust against some hardware and power failures.
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Standard RAID levels
In computer storage, the standard RAID levels comprise a basic set of RAID (redundant array of independent disks) configurations that employ the techniques of striping, mirroring, or parity to create large reliable data stores from multiple general-purpose computer hard disk drives (HDDs).
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Synchronization
Synchronization is the coordination of events to operate a system in unison.
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ZFS
ZFS is a combined file system and logical volume manager designed by Sun Microsystems and now owned by Oracle Corporation.
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Data mirroring, Disk mirror, Hard disk mirroring, Mirrored server, Mirrored volume, RAID resilvering, Resilvering, Smartpedia, Software mirror.
References
[1] https://en.wikipedia.org/wiki/Disk_mirroring
