backup

Century-Scale Storage

Century-Scale Storage Overview

Topic: Storing digital data for 100 years.

Key Points:
Historical Context: IBM's RAMAC, developed in the 1950s, was the first hard drive with instant data retrieval but became obsolete in six years.
Current Digital Storage Concerns: Most digital records, artifacts, and art are stored electronically, facing short-term design issues. There’s a demand for long-term preservation strategies.
Storage Methods Discussed:
Hard Drives: Mechanical parts risk failure; long-term solutions need meticulous maintenance and regular upgrades to ensure data remains accessible.
Solid State Drives (SSDs): Fast and no moving parts but have a limited lifespan and degrade over time without power.
Cloud Storage: Convenient and accessible but relies on external companies and infrastructure that may not last a century.
Recommendations: Store data in multiple formats across various locations, emphasizing redundancy. Use non-proprietary formats for longevity.
Challenges: Maintaining the necessary technology and access methods for digital data preservation over time poses significant obstacles, requiring institutional commitment and resources.

Conclusion: Effective century-scale storage requires addressing mechanical reliability, technological advancements, and a cultural commitment to long-term preservation.

https://lil.law.harvard.edu/century-scale-storage/

Make Your Own Backup System

Backup systems often underestimated; proper strategy necessary. Risks from data loss demand questioning storage, downtime, and methods. Key decisions: full disk vs. individual file backups—each has pros/cons. Consistency through snapshots is crucial; backup architecture (push vs. pull) matters. Good backups should allow quick recovery, external storage, security, and minimal intrusion. Next steps include discussing server configurations and software for effective backups.

https://it-notes.dragas.net/2025/07/18/make-your-own-backup-system-part-1-strategy-before-scripts/

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