Advanced Topics

• Client Plug-Ins
  • Cache Plugins
  • Authorization Helpers
• Tracing File System Accesses
  • Trace Log Format
• CernVM-FS on Supercomputers
  • Using Singularity pre-mounts
  • Parrot-Mounted CernVM-FS in lieu of Fuse Module
  • Preloading the CernVM-FS Cache
  • Loopback File Systems for Nodes’ Caches
  • Tiered Cache and Cache Plugins
  • NFS Export with Cray DVS
  • HPC Fat Container Image
• CernVM-FS Graph Driver Plugin for Docker
  • Requirements
  • Installation
  • Conversion of Images
• Working with DUCC and Docker Images (Experimental)
  • Vocabulary
  • Image Wish List
  • DUCC Requirements
  • DUCC Commands
  • Incremental Conversion
• Setting up an Xcache reverse proxy
  • Requirements
  • Instructions
  • Cache invalidation
  • Ingestion over HTTP
• Large-Scale Data CernVM-FS
  • Creating Large, Secure Repositories
• CernVM-FS Shrinkwrap Utility
  • Installation
  • Creating an image for ROOT
  • Using a shrinkwrap image
• Implementation Notes
  • File Catalog
  • Repository Manifest (.cvmfspublished)
  • Use of HTTP
  • Name Resolving
  • Disk Cache
  • NFS Maps
  • Loader
  • File System Interface
  • Repository Publishing