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  • New servers: fermi-gpfs01 and fermi-gpfs02
    • Dual-connect storage between these two machines
    • Internet connectivity (2 x 10 Gbps per host?)
    • Install GPFS
    • Install xrootd
    • Balance data across xroot cluster
  • New NFS/GPFS service on former fermi-xrd01 and fermi-xrd02 (and wainXXX, wainYYY)
    • fermi-xrd01 and fermi-xrd02 
      • Drain xroot data (~180 TB)
      • Swap 2x R610 with SCS-owned R720 machines
      • Rename (fermi-gpfs03 and fermi-gpfs04?)
      • Internet connectivity (1 x 10 Gbps per host?)
      • Decide upon storage configuration
        • Number of spindles for Users/Groups (from wain025)
        • Number of spindles for production partitions (from wain026 and wain032)
        • Number of "spare" spindles for future expansion
      • Install GPFS (total capacity will be ~160 TB)
      • Migrate wain025, wain026, wain032 to new system
    • Select two wains for CNFS service (lots of memory + fast ethernet)
      • Drain xroot data from wainXXX and YYY (~64 TB)
      • Rename hosts (fermi-cnfs01, fermi-cnfs02?)
      • Install GPFS and CNFS software
      • Configure in such a way so that wain025 partitions are handled in such a way so that service does their activities do not negatively impact access to other partitions
  • Upgraded Upgrad NFS service for LSST
    • Repurpose wain025 (??) to replace wain006
  • Drain xroot from other wains that are to be retired
  • Retirement list:
    • wain026
    • wain032
    • wain006
    • ...

Timeline

  • 7/1/2014 - new servers arrive
  • 7/30/2014 - storage arrays arrive
  • 9/18/2014 - cables located, beginning of GPFS testing
  • 1/13/2015 - xroot in production (readonly), and data migration begins

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