Post #2282521

@beet_keeper@digipres.club Actually, that paste site sucks. Have the raw HTML instead: NDSA - Levels of Digital Preservation NDSA - Levels of Digital Preservation table { border-collapse: collapse; } caption { caption-side: bottom; } th, td { border: solid 1px; padding: 1px 0.5em; text-align: start; } tfoot td { border: none; } td { vertical-align: top; } Levels of Digital Preservation v2.1 Functional Area Level Level 1 (Know your content) Level 2 (Protect your content) Level 3 (Monitor your content) Level 4 (Sustain your content) Storage Have two complete copies in separate locations Document all storage media where content is stored Put content into dedicated preservation storage 🌿 Have three complete copies with at least one copy in a separate geographic location 🌿 Document storage and storage media indicating the resources and dependencies they require to function Have at least one copy in a geographic location with a different disaster threat than the other copies 🌿 Have at least one copy on a different storage media type 🌿 Track the obsolescence of storage and media Have at least three copies in separate geographic locations, each with a different disaster threat 🌿 Diversify storage solutions to avoid single points of failure 🌿 Plan for and execute actions to address storage hardware, software, and media obsolescence 🌿 Integrity Verify integrity information if it has been provided with the content Generate integrity information if not provided with the content 🌿 Virus check all content; isolate content for quarantine as needed Verify integrity information when moving or copying content 🌿 Use write-blockers when working with original media Back up integrity information and store copy in a separate location from the content Verify integrity information of content at fixed intervals 🌿 Document integrity information verification processes and outcomes Perform audit of integrity information on demand Verify integrity information in response to specific events or activities 🌿 Replace or repair corrupted content as necessary Control Determine the human and software agents that should be authorized to read, write, move, and delete content Document the human and software agents authorized to read, write, move, and delete content and apply these Maintain logs and identify the human and software agents that performed actions on content Perform periodic review of actions/access logs Metadata Create inventory of content, also documenting current storage locations Back up inventory and store at least one copy separately from content Store enough metadata to know what the content is (this might include some combination of administrative, technical, descriptive, preservation, and structural metadata) Determine what metadata standards to apply Find and fill gaps in your metadata to meet those standards Record preservation actions associated with content and when those actions occur Implement metadata standards chosen Content Document file formats and other essential content characteristics including how and when these were identified Verify file formats and other essential content characteristics Build relationships with content creators to encourage sustainable file choices 🌿 Monitor for obsolescence, and changes in technologies on which content is dependent Perform migrations, normalizations, emulation, and similar activities that ensure content can be accessed 🌿 This icon indicates recommendations with environmental sustainability considerations that may influence digital preservation decision-making. See the Environmental Sustainability Guide for further information.