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Disk mirroring

Index Disk mirroring

In data storage, disk mirroring is the replication of logical disk volumes onto separate physical hard disks in real time to ensure continuous availability. [1]

43 relations: Automatic Storage Management, Backup, Business continuance volume, Climate Mirror, Comparison of iSCSI targets, Computer appliance, Computer data storage, Continuous data protection, CTAN, Data striping, Device mapper, Disk array controller, Disk cloning, Distributed Replicated Block Device, Dm-cache, DNIX, Don't repeat yourself, Features new to Windows 8, FIL file, File copying, FreeNAS, G-Technology, Gates Rubber Company v. Bando Chemical Industries, Ltd., et al, High-availability cluster, Hitachi Data Systems, Jigdo, Lustre (file system), Mirror (disambiguation), Mirroring, NexentaStor, OneFS distributed file system, PetaBox, RAID, RecoverPoint, Replication (computing), Seven tiers of disaster recovery, Stable storage, Standard RAID levels, System Fault Tolerance, System prevalence, UnixWare NonStop Clusters, Western Digital My Book, ZFS.

Automatic Storage Management

Automatic Storage Management (ASM) is a feature provided by Oracle Corporation within the Oracle Database from release Oracle 10g (revision 1) onwards.

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In information technology, a backup, or the process of backing up, refers to the copying into an archive file of computer data so it may be used to restore the original after a data loss event.

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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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Climate Mirror

Climate Mirror is "an open project to mirror public climate datasets", that is, an open access project to mirror (to back up) the data of publicly owned datasets from climate science, such as data from U.S. federally funded research.

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Comparison of iSCSI targets

An iSCSI target is a storage resource located on an iSCSI server (more generally, one of potentially many instances of iSCSI storage nodes running on that server) as a "target".

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Computer appliance

A computer appliance is a computer with software or firmware that is specifically designed to provide a specific computing resource.

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Computer data storage

Computer data storage, often called storage or memory, is a technology consisting of computer components and recording media that are used to retain digital data.

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Continuous data protection

Continuous data protection (CDP), also called continuous backup or real-time backup, refers to backup of computer data by automatically saving a copy of every change made to that data, essentially capturing every version of the data that the user saves.

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CTAN (an acronym for "Comprehensive TeX Archive Network") is the authoritative place where TeX related material and software can be found for download.

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Data striping

In computer data storage, data striping is the technique of segmenting logically sequential data, such as a file, so that consecutive segments are stored on different physical storage devices.

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Device mapper

The device mapper is a framework provided by the Linux kernel for mapping physical block devices onto higher-level virtual block devices.

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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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dm-cache is a component (more specifically, a target) of the Linux kernel's device mapper, which is a framework for mapping block devices onto higher-level virtual block devices.

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DNIX (original spelling: D-Nix) was a Unix-like real-time operating system from the Swedish company Dataindustrier AB (DIAB).

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Don't repeat yourself

In software engineering, don't repeat yourself (DRY) is a principle of software development aimed at reducing repetition of software patterns, replacing it with abstractions, or repetition of the same data, using data normalization to avoid redundancy.

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Features new to Windows 8

The transition from Windows 7 to Windows 8 introduced a number of new features across various aspects of the operating system.

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FIL file

FIL file may refer to.

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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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FreeNAS is a free and open-source network-attached storage (NAS) software based on FreeBSD and the OpenZFS file system.

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G-Technology is a brand of external storage products designed and marketed for the Macintosh, creative pro, photography and A/V markets.

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Gates Rubber Company v. Bando Chemical Industries, Ltd., et al

Gates Rubber Company v. Bando Chemical Industries, Ltd., et al. is a decision by the U.S. district court for the District of Colorado from May 1, 1996.

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High-availability cluster

High-availability clusters (also known as HA clusters or fail-over clusters) are groups of computers that support server applications that can be reliably utilized with a minimum amount of down-time.

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Hitachi Data Systems

Since September 19, 2017, Hitachi Data Systems (HDS) has become part of Hitachi Vantara, a new company that unifies the operations of Pentaho, Hitachi Data Systems and Hitachi Insight Group.

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Jigdo (a portmanteau of "Jigsaw" and "download") is a utility typically used for downloading to piece together a large file, most commonly an optical disk image such as a CD, DVD or Blu-ray Disc (BD) image, from many smaller individual constituent files.

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Lustre (file system)

Lustre is a type of parallel distributed file system, generally used for large-scale cluster computing.

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Mirror (disambiguation)

A mirror is an object whose surface reflects an image.

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Mirroring may refer to.

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NexentaStor is an OpenSolaris or more recently Illumos distribution optimized for virtualization, storage area networks, network-attached storage, and iSCSI or Fibre Channel applications employing the ZFS file system.

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OneFS distributed file system

The OneFS file system is a parallel distributed networked file system designed by Isilon Systems for use in its Isilon IQ storage appliances.

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PetaBox is a storage unit from Capricorn Technologies.

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RAID (Redundant Array of Independent Disks, originally Redundant Array of Inexpensive Disks) is a data storage virtualization technology that combines multiple physical disk drive components into one or more logical units for the purposes of data redundancy, performance improvement, or both.

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RecoverPoint is a continuous data protection product offered by EMC Corporation which supports asynchronous and synchronous data replication of block-based storage.

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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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Seven tiers of disaster recovery

SHARE originally defined seven tiers of disaster recovery to help identify various methods of recovering mission-critical computer-systems as required to support business continuity.

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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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System Fault Tolerance

In computing, System Fault Tolerance (SFT) is a fault tolerant system built into NetWare operating systems.

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System prevalence

System prevalence is a simple software architectural pattern that combines system images (snapshots) and transaction journaling to provide speed, performance scalability, transparent persistence and transparent live mirroring of computer system state.

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UnixWare NonStop Clusters

NonStop Clusters (NSC) was an add-on package for SCO UnixWare that allowed creation of fault-tolerant single-system image clusters of machines running UnixWare.

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Western Digital My Book

My Book is a series of external hard drives produced by Western Digital.

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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.


[1] https://en.wikipedia.org/wiki/Disk_mirroring

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