Release preparations¶
The CMS open data are released through the CMS open data portal. The preparation consists of several steps:
“Legacy” reprocessing is defined for the collision data and MC
The data release is proposed for approval in the CMS Collaboration Board (CB)
The datasets are transferred from their CMS storage to the open data area (eospublic at CERN)
The metadata are extracted and parsed from the CMS-internal databases
The condition data (needed for running the jobs) are extracted as sqlite files and stored on the cvmfs file system
The computing environment (containers and VM image) is preserved and tested
Auxiliar information (list of good runs, luminosity information etc) is collected
Testing in the open data environment
Documentation for data usage and tools.
Based on this information, the open data portal records are prepared: