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    AFS weekly meeting

    → Europe/Zurich
    31/1-012 (CERN)

    31/1-012

    CERN

    6
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    Description
    AFS service/operation meeting
    Participants
    • Dan van der Ster
    • Jakub Moscicki
    • Jan Iven
    • Massimo Lamanna
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    AFS operations meeting 2016-02-29

    present: Dan, Kuba, Jan

    Issues:

    • all AFS servers rebooted (glibc update + new kernel) last Wed+Thu
      • 1 unclean shutdown on "user" server = salvage at restart
      • 1 BOINCed(?) CMS server afterwards (but restarted cleanly)
      • Thread limits increased (overall 256->1024, throttling 10/20 -> 40/80). Expect less "overload" mails
      • bosserver.sh script gone
      • 4 mis-assigned spare disks reported after boot - "mdadm --monitor" seems to ignore these? or only warns once?
    • ABS: many errors for last Thu (CASTOR "afsbackup" pool running with 1 diskserver?) - will get cleaned
    • new LEMON metric for offline volumes (seen after restart, user complained)
    • Decision: turn off the Thu morning client stat collection script since it causes instabilities. Run perhaps once/month?
    • Dan: UID-updating script had missed some volumes for the affected users. Fixed, re-running for the affected 10 users.
    • EP-SFT: ROOT releases now properly replicated (and on individual volumes).
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