The document describes the new fabric management tools used at CERN for managing their computing infrastructure. It discusses the concepts of nodes and clusters and the framework used, which includes tools for configuration management, software management, state management, and monitoring. It provides details on the configuration database, software distribution tool, configuration tool, monitoring system, and state management system that are used to automate the installation, configuration, and maintenance of over 1500 nodes in a reproducible manner.

1. The new Fabric Management Tools in Production at CERN Thorsten Kleinwort for CERN IT/FIO HEPiX Autumn 2003 Triumf Vancouver Monday, October 20, 2003

6. Framework node Mon Agent Monitoring Manager Cfg Agent Config Manager Config Cache SW Agent SW Manager SW Cache Hardware Manager State Manager

7. Framework node SW Agent Cfg Agent Mon Agent CDB Monitoring Manager SW Manager Hardware Manager State Manager CCM SW Cache

11. Framework node SPMA Cfg Agent Mon Agent CDB Monitoring Manager SWRep Hardware Manager State Manager CCM SWRep Cache

16. Framework node SPMA NCM Mon Agent CDB Monitoring Manager SWRep Hardware Manager State Manager CCM SWRep Cache

18. Framework node SPMA NCM MSA CDB OraMon SWRep CCM SWRep Cache Hardware Manager State Manager

20. Framework node SPMA NCM MSA CDB OraMon SWRep HMS SMS CCM SWRep Cache

23. Tools: node SPMA NCM MSA CDB OraMon SWRep CCM SWRep Cache HMS SMS QUATTOR LEMON LEAF = + +