Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

Device mapper

The device mapper is a framework provided by the Linux kernel for mapping physical block devices onto higher-level virtual block devices. It forms the foundation of the logical volume manager (LVM), software RAIDs and dm-crypt disk encryption, and offers additional features such as file system snapshots.

Applications, Features & Usage

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around Device mapper. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

Usage

Features

Applications

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

Device mapper

Nodes41
Edges40
Triples37
Avg. degree1.95
Density0.04878
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

Device mapper

Top relations

has application · 11
Device mapper → ChromiumOS, Distributed Replicated Block Device, EVMS, I/O, Linux, LUKS, LUKSdm-log-writes, Multipath, RAID, TrueCryptVDO, Virtual Data Optimizer
related to External links · 11
Device mapper → Device, Devices, February, Jonathan Corbet, Linux Gazette, LWN, May, RAID, Red Hat Archived, Right To Your Own, Wayback Machine
related to Usage · 6
Device mapper → Applications, Both, Configuration, Enterprise Volume Management System, EVMS, LVM2
related to Features · 5
Device mapper → As, Crypto API, For, Functions, Linux
is a · 1
Device mapper → framework provided by the Linux kernel for mapping physical block devices onto higher-level virtual block devices

Important terminology Word statistics

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

device mapper linux disk data also using volume provided kernel block virtual encryption features mapping devices logical software system passing

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Device mapperis aframework provided by the Linux kernel for mapping physical block devices onto higher-level virtual block devices0.90text
file system snapshots.Device mapper works by passing data from a virtual block deviceinstance ofand offers additional features0.80text
which is provided by the device mapper itselfinstance ofand offers additional features0.80text
to another block deviceinstance ofand offers additional features0.80text
Device mapperhas applicationLinux0.60section
Device mapperhas applicationLUKS0.60section
Device mapperhas applicationLUKSdm-log-writes0.60section
Device mapperhas applicationChromiumOS0.60section
Device mapperhas applicationRAID0.60section
Device mapperhas applicationMultipath0.60section
Device mapperhas applicationI/O0.60section
Device mapperhas applicationDistributed Replicated Block Device0.60section

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.