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Expanding # FAX enabled site movers. Simone Campana. Expanding FAX fallback . There is general consensus we should expand # of sites falling back to FAX for StageIN We should extend to prod queues Remember that for analysis queues some sites do not use copy-to-scratch

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expanding fax fallback
Expanding FAX fallback
  • There is general consensus we should expand # of sites falling back to FAX for StageIN
  • We should extend to prod queues
    • Remember that for analysis queues some sites do not use copy-to-scratch
  • See email thread from Paul/Wahid with technical details
    • Needs latest DQ2 clients. Will be picked from CVMFS. Needs small modicication in pilot wrapper (John/Jose/Peter). Status?
expanding fax fallback proposal
Expanding FAX fallback (proposal)
  • We can start from HammerCloud jobs
  • The current RC pilot allows
    • To enable/disable FAX on the fly (together with any other QueueData)
    • Reports the usage of FAX in the JobMetrics
    • we need the FAX monitoring to know what FAX decided
  • We should test the same site w and w/o FAX and compare
    • We can also “break” the site for normal StageIn and get everything through FAX
  • We should also resurrect the copy-2-scratch vsdirectIo tests in the same way
timescale
Timescale
  • It would be great to have some numbers by the ATLAS jamboree
    • The results should motivate further FAX deployment
  • Ramon can follow this up from the HammerCloud part
  • Need some good willing site (if you want I can propose someone from North UK)
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