Parallel Virtual File System, Version 2

• Contents
• An introduction to PVFS2
  • Why rewrite?
  • What's different?
    • Modular networking and storage
    • Structured non-contiguous data access
    • Flexible data distribution
    • Distributed metadata
    • Stateless servers and clients
    • Explicit support for concurrency
    • Tunable semantics
    • Flexible mapping from file references to servers
    • Tight MPI-IO coupling
    • Data and metadata redundancy
    • And more...
  • When will this be available?
  
  
• The basics of PVFS2
  • Servers
  • Networks
  • Interfaces
  • Client-server interactions
  • Consistency from the client point of view
  • File system consistency
  
  
• PVFS2 terminology
  • File system components
  • PVFS2 Objects
  • Handles
  • Handle ranges
  • File system IDs
  
  
• PVFS2 internal I/O API terminology
  • Internal I/O interfaces
  • Job interface
  • Posting and testing
  • Test variations
  • Contexts
  • User pointers
  • Time outs and max idle time
  
  
• PVFS2 User APIs and Semantics
  • UNIX I/O Interface
    • Permission Checking
    • Permissions and File Access
    • Access to Removed Files
    • Overlapping I/O Operations
    • Locks
  • MPI-IO Interface
    • MPI-IO Atomic Mode
    • MPI-IO Shared Pointer Mode
  
  
• The code tree
  • The top level
  • src
  • src/io
  • test
  • State machines and statecomp
  • Build system
  • Out-of-tree builds