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Cover image for Moving 4.3 million digital newspapers

Moving 4.3 million digital newspapers

#Digital Preservation#Newspaper Archives#Data Migration#Digital Collections#Mass Digitization#Digital Storage#Legacy Systems#SAM-FS#Cultural Heritage#Digital Libraries#OCR#Digital Newspapers

The National Library of Norway has undertaken a massive re-archiving project to migrate 4.3 million digital newspapers (2.5 petabytes) from their 2007 bit-repository to our new Digital Preservation Services system. The project involved extensive data cleanup, checksum generation, and quality improvements, achieving migration speeds of up to 42TB per day.

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Cover image for Better Late Than Never: Adding Checksums to 16 Million Legacy Files

Better Late Than Never: Adding Checksums to 16 Million Legacy Files

#Digital Preservation#Checksums#Data Migration#Data Integrity#Digital Storage#File Verification#Legacy Systems#Digital Archives#SAM-FS#Long-term Storage

Case study on verifying 2.5 Petabytes of legacy data during migration at the National Library of Norway. Details how checksums validated 16 million files across multiple storage copies, finding zero corruptions after 20 years.

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Cover image for Digital preservation poster

Digital preservation poster

#Digital preservation#Poster#iPRES

Explore our digital preservation awareness poster, available in both English and Norwegian, which visualizes key principles and practices of digital preservation at the National Library of Norway.

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Cover image for Rearchiving 2 million hours of digital radio, a comprehensive process

Rearchiving 2 million hours of digital radio, a comprehensive process

#Digital Preservation#Radio Archives#Data Migration#Digital Storage#HPSS#Oracle HSM#Audio Preservation#Broadcasting

Learn how the National Library successfully migrated 2.2 million hours of digital radio archives (1 Petabyte) from a 2007 bit-repository to a modern Digital Preservation System, including the technical challenges, improvements, and lessons learned during this massive preservation project.

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Cover image for NiFi S2S on Secured Instances

NiFi S2S on Secured Instances

#NiFi#Site-to-Site#S2S#Security#Certificate#Reporting task

Guide to setting up a Site-to-Site (S2S) communication between two secured NiFi instances with user and policy management. This guide is based on experiences from National Library of Norway. Where NiFi is used to process large number of files and data, and it's important to have proper security in place. This guide aims to help others who might struggle with S2S on secured NiFi instances, and make it easier to set up a SiteToSiteProvenanceReportingTask or similar. Since we couldn't find a guide that would help us with this task we decided to write one ourselves.

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Cover image for Team Digital Preservation

Team Digital Preservation

#Team presentation#team organization#product teams

Presentation of the Digital Preservation team at the National Library of Norway

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