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Weekly SubMIT project team meeting

→ America/New_York
ZOOM

ZOOM
David Walter (Massachusetts Institute of Technology), Mariarosaria D'Alfonso (Massachusetts Institute of Technology)
Description

https://mit.zoom.us/j/95048716850

    • 10:00 → 10:20
      Discussion 20m
      Speakers: David Walter (Massachusetts Institute of Technology), Luca Lavezzo (MIT), Mariarosaria D'Alfonso (Massachusetts Institute of Technology), Matthew Heine (Massachusetts Institute of Technology)

      Past week operation:

      • broken disk in the filers, they are old regularly break, we still have few spares (/home /work). David replaced the broken one

       

      CEPH:

      • disk cleanup : users deleted about 50TB so now we are again below 80%
      • analysis of usage/stale data by Maria in 

        https://cleo.mit.edu/issues/6353 email few people that do not read their data since more than 2 years

      • erasure coding repair: only 5 groups are scrubbing, used to be much more  
        • should move the warning into the main alarm channel (Matt)
        • once those are ok, redo the speed test (Maria)

      • ceph umbrella is available https://docs.ceph.com/en/latest/releases/umbrella/ (wait 6 months before update)

       

      xrootd certificates:

      1. replaced already on ceph machines waiting for alias from Paul
      2. update the cleo document/ admin docs when done; consolidate the information in one place