CU Scholar

CU Scholar is the University of Colorado Libraries Institutional Repository. This repository serves as a platform for preserving and providing public access to the research activities of members of the CU Boulder community. The repository is using Samvera an open source repository framework.

Samvera Technical Stack

Technical Stack

Infrastructure

CU Scholar utilizes the CU Library infrastructure.

CU Scholar Components

  1. Hyrax https://github.com/culibraries/ir-scholar

  2. Ruby gems https://github.com/culibraries/ir-scholar/blob/master/Gemfile

  3. Fedora 4.7 https://duraspace.org/fedora/

    • Fedora features

    • Metadata stored within Mysql Relational Database - AWS RDS

  4. Solr 6.x https://solr.apache.org/

Metadata

CU Scholar metadata is stored within the Flexible Extensible Digital Object Repository Architecture(fedora). The metadata utilizes the Mysql AWS RDS database. Fedora logs all changes and stores metadata changes within the database. Backup Policy (CTS 4)

Data Files

CU Scholar data files are stored within the Flexibile Extensible Digital Object Repository Architecture(fedora). The production data files are stored within AWS S3 object storage service. Backup Policy (CTS 3: offsite copy to CU Boulder PetaLibrary(implementation phase))

Data File Checks

  1. All files uploaded undergoes virus scan.(CTS 4)

  2. Fixity checksums are performed at a regular interval (Quarterly). (CTS 3)