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Research draft

recording medium

vr.tr.recording-medium · PHY.OBJ

Let an agent explain recording media and their types, help choose media for storage and backup, describe longevity and preservation, and identify specific devices and technologies with sources.

Thing Registry Physical world and living systems

Research draft, second pass

A second pass drafted this model: the structure a model of this thing needs, and what is known about it in the world. The line under this one says how the second half was obtained - researched against sources, or recalled without web access, in which case nothing here was read anywhere and every claim is a lead to verify. Unreviewed either way.

written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify

Researched by: Claude

Purpose and description

Let an agent explain recording media and their types, help choose media for storage and backup, describe longevity and preservation, and identify specific devices and technologies with sources.

A physical medium or device on which information is recorded and stored for later retrieval, from magnetic tape, discs and hard drives to optical discs, flash memory, memory cartridges, network-attached storage and emerging technologies such as 3D XPoint; recording media differ in capacity, speed, durability and longevity and are chosen for use in computing, audio, video and archives.

What it is for: Media for storing recorded information.

It can be explain media types; help choose storage and backup media; describe longevity and preservation; identify specific devices.

Distinguishing features

Physical storage

Technology families

Capacity and speed

Longevity varies

What it looks like

Tapes, discs, drives, cards and network storage units.

How it is recognised

Stores recorded information physically

Magnetic, optical or solid-state

A file format is a logical structure, not a medium

Related models

is a kind of - category

data storage medium

is a kind of - category

communications media

is related to - storage peripherals

peripheral

is related to - recorded images

photograph

In practice

Families and kinds

magnetic media such as tape and hard drives

optical discs

solid-state and flash media

network-attached and cloud-backed storage devices

historical and specialised media such as cartridges

Standards and regulation

Storage interface and format standards

Archival longevity standards

Data protection rules for stored personal data

Failure modes and hazards

Media failure and data loss

Obsolescence of formats and readers

Improper disposal exposing data

Also called

network-attached storageBuffalo network-attached storage seriesMy CloudNSLU2cheat cartridge3D XPointdisk cardmicrofilm rollbookmarkletmicroformmicrofilm cartridgemicrofilm cassettemicroopaquecomputer output microformunitized microformmicrofichemicrofilm stripultrafichefiscal memory devicesound recording mediummachine-readable mediumcomputer chip cartridgefilm cartridgeFilm cassetteaudio beltaudio wire reelnon-volatile memoryML-Rbattery backup for computer memorypiano rollUSB mass storage device classframebufferdisk duplicatorhard drive accessoryhard drive arraynetwork storage systemslotRadiodirect-access storage deviceMechanical Audio Storage Mediumnormal groove cylinder

+69

Where this came from

wikidata · CC0 1.0

Source repository Registry entry point

Drafted structure

Bundle to layer to finding to question, as the second pass will find it: 4 bundles · 8 layers · 8 findings · 16 questions.

Choose Choosing media.

Practice.

Select

Selecting storage.

Select

Selection.

  1. Which recording medium suits this need for capacity, speed, cost and longevity, and how should backups be arranged? action
  2. What is network-attached storage and when is it useful? definition

Specific

A specific device.

Specific

Specific device.

  1. What is this storage device or technology, and what are its specifications, according to the manufacturer? provenance
  2. Which entry fits it? action
Technology How media work.

Engineering.

Types

Magnetic, optical, solid-state.

Types

Types.

  1. How do magnetic, optical and solid-state media record and read data, and how do they compare? definition
  2. What are emerging technologies such as 3D XPoint? provenance

Performance

Performance and reliability.

Performance

Performance.

  1. How are capacity, speed and reliability measured, and what failure rates are documented? provenance
  2. How is data integrity checked? action
Preserve Longevity and preservation.

Archives.

Longevity

Media longevity.

Longevity

Longevity.

  1. How long do different media last, and how should they be stored and migrated for preservation? provenance
  2. Which archival standards apply? provenance

Obsolete

Obsolete media.

Obsolete

Obsolescence.

  1. How can data on obsolete media such as old tapes and cartridges be recovered? provenance
  2. Which services and communities help? provenance
Security Security and disposal.

Practice.

Security

Protecting stored data.

Security

Security.

  1. How should stored data be encrypted and protected, and which data protection rules apply? provenance
  2. How are network storage devices secured? action

Disposal

Disposal.

Disposal

Disposal.

  1. How should recording media be wiped and disposed of or recycled securely? provenance
  2. Which entry fits electronic waste? action

What the second pass must settle

  • Should each media type be a separate entry?
  • How should archival guidance be linked?
  • How should device databases be linked?
Draft as JSON