Experience of xrootd monitoring for ALICE at RDIG sites G.S. Shabratova JINR A.K. Zarochentsev SPbSU.

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Presentation transcript:

Experience of xrootd monitoring for ALICE at RDIG sites G.S. Shabratova JINR A.K. Zarochentsev SPbSU

Xrootd Monitoring Static monitoring - Bdii Dynamic monitoring – Monalisa and “xRootd federation monitoring”

2 xrootd BDII versions (from Claudiu Schiaua ( Xrootd information service (xis) 2009 glite-info-provider-SE_xrootd (gip) 2010

xis 2-d xrootd serivce on xis server : root://xishost: 2194 Xrootd clients on xrootd servers. Xrootd client on information provider (bdii server)

gip =0&resId=0&materialId=slides&confId= =0&resId=0&materialId=slides&confId= Xrootd client on gip and bdii server Scheme: GlueSALocalID=xroot:SA >ClueVOinfoLocalID=xroot:VOID:alice

xrootd in ldap

DPM and xrootd in BDII DPM XROOTD

RDIG monitoring

Requirements to dynamic monitoring Transfers details: – Host out (ip) – Host in (ip) – Size of file – Number of files Statistic details: – Size of packages for host out (in) by time – Errors

Proposed Architecture to Monitoring & Control the Xrootd in ALICE Long History DB MonALISA Network Monitoring ApMon XROOTD SERVER System Monitoring MonaLisa Xrootd Repository Aggregated Data Alerts Actions Xroootd Monitoring and Control, Harish Arora, Cern Control Module Control / Update MonALISA Network Monitoring ApMon XROOTD SERVER System Monitoring Control Module MonALISA Network Monitoring ApMon XROOTD SERVER System Monitoring Control Module

MonALISA on

MonALISA on

MonALISA on

MonALISA from gui client GUI client from alimonitor.cern.ch: Or form :

MonALISA from gui client

MonALISA from console Need: – Monalisa Repository from – And monalisaWSClients :

MonALISA from console Result:

xRootd federation monitoring 17 July ATLAS Off-Grid Sites (Tier-3) Monitoring A.S. Petrosyan, D.A. Oleynik, S.D. Belov, J. Andreeva, I.S. Kadochnikov (on behalf of the ATLAS collaboration) ATLAS Off-Grid Sites (Tier-3) Monitoring

Data flow for XRootD Both summary and detailed events gatherer implemented as Linux daemon Summary data goes directly to Ganglia File transfer data can be stored in local PostgreSQL and then presented via Ganglia Detailed data can be delivered to ActiveMQ directly Data being sent to global level: Domain from, host and ip address Domain to, host and ip address User File, size Bytes read, written Time transfer started and finished GRID'2012, JINR, Dubna

Conclusions: Bdii monitoring works, but not supported and rarely used Monalisa monitoring works, but can not monitor separate transfer “xRootd federation monitoring” – we wait it in the near future.

Many thanks: Sergey Belov Daniil Oleynik Artem Petrosyan Andrey Kiryanov And etc

Questions?