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AMOD Report 5 – 11 Sept

AMOD Report 5 – 11 Sept. AMOD Report 5 – 11 Sept. Guido Negri. Tier0/Central Services. Castor@CERN

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AMOD Report 5 – 11 Sept

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  1. AMOD Report5 – 11 Sept AMOD Report5 – 11 Sept Guido Negri

  2. Tier0/Central Services • Castor@CERN • garbage collector acting on stale information and removing very young files (not yet processed); SFO-Tier0 handshake mechanism prevented loss of sensible data; problem could happen again (developers are not sure about the cause) • EOS@CERN • migration proceeding smoothly, a few minor bugs detected and promptly fixed, hardware upgraded transparently, EOS alarm tickets in GGUS tested to be correctly tracked

  3. Tier1s/Tier2s • a few problems with some Tier1 • CNAF LFC: file allocation limit reached, limit raised • CNAF SRM: storm daemon stuck, relaunched • SARA-MATRIX SRM: problems with 8 pool nodes that crashed, all with the same hardware, but not yet understood why; workaround should be in place • TAIWAN-LCG2 SRM: CRL expired, cron job for upfdating was stopped; relaunched • Several T1s MCTAPE: high load was responsible for some error beginning of last week • RAL: network problems on monday early morning, fixed by late morning on the same day • minor problems with a few Tier2s • GGUS tickets promtly submitted by ADCoS shifters and always managed by the sites in a timely way

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