Contract SFS-DEV-004

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The goal of the CLIO Simplification Implementation contract is the implementation in the Lustre source code of the CLIO Simplification Design that resulted from Project 2 of Contract SFS-DEV-003.

For the contract statement of work, see SFS-DEV-004_SOW.pdf

Key People


  • Galen Shipman - OpenSFS Contract Administrator
  • Christopher Morrone - OpenSFS Technical Representative

Project Approval Committee (PAC)

  • Christopher Morrone - PAC Chair
  • Colin Faber
  • Patrick Farrell
  • Jason Hill
  • James Simmons
  • Cory Spitz


  • Andreas Dilger - Consulting Architect
  • Jinshan Xiong - Lead Engineer

Important Dates

The official start date of work is agreed to be October 13, 2014.

The contract lists milestone target dates in weeks relative to the start date. With the start date agreed, here we can just list actual dates to keep things easy to understand.

Milestone task Target Completion Actual Completion
Implementation Jan 26th 2015
Test and fix Apr 6th 2015
Demonstration May 4th 2015
Landing Jun 1st 2015

Contract Products

componenet tickets change sets
cl_lock re-factoring (simplified and cache-less) LU-4198 LU-3259 8656 10858
ioctl calls implementation LU-5823 12452 12494 12535
Remove obsolete OBD API call-backs
Remove non-linux interfaces
Remove stripe md direct access beyond LOV layer LU-5814 12442 12445 12446 12447