WLCG NAGIOS
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WLCG NAGIOS Kashif Mohammad Deputy Technical Co-ordinator (South Grid) University of Oxford PowerPoint PPT Presentation


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WLCG NAGIOS Kashif Mohammad Deputy Technical Co-ordinator (South Grid) University of Oxford. WLCG NAGIOS.

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WLCG NAGIOS Kashif Mohammad Deputy Technical Co-ordinator (South Grid) University of Oxford

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Wlcg nagios kashif mohammad deputy technical co ordinator south grid university of oxford

WLCG NAGIOS

Kashif Mohammad

Deputy Technical Co-ordinator

(South Grid)

University of Oxford


Wlcg nagios

WLCG NAGIOS

  • WLCG Nagios is a part of EGEE SA1 Multi-Level Monitoring (MLM) to provide an integrated project level monitoring system for EGEE III. https://twiki.cern.ch/twiki/bin/view/EGEE/MultiLevelMonitoringOverview

  • This is based on EGEE III Operations Automation Strategy to suit the future federated Infrastructure such as EGI.org.

  • WLCG Nagios at ROC Level is suppose to replace central monitoring like SAM in post EGEE era.


Wlcg nagios1

WLCG Nagios is based on many components, few of them are

Nagios Configuration Generator (NCG) : It’s a configuration tool which creates configuration file for Nagios by querying GOCDB, site BDII and Metric Description Database.

Metric Description Database : It’s a project level database which provides description of tests which should be run against grid services at EGEE sites.

MSG-Nagios bridge: Listen on messaging system for messages destined to this Nagios and push them to Nagios.

WLCG NAGIOS


Wlcg nagios2

WLCG NAGIOS

WLCG Nagios uses two type of probes at regional level.

Remote Probes: These are the probes which are executed against site by some external agents. WLCG Nagios uses two such external agents namely SAM grid monitoring probes and ENOC Network Monitoring Probes. In Nagios term, these are passive service check.

Local Probes : These are the test which site monitoring service schedule itself. Most of these tests are replica of SAM tests written as Nagios probes and submitted through User Interface using grid proxy. In Nagios term, these are active service check.


Uki wlcg nagios setup at oxford

UKI WLCG NAGIOS SETUP AT OXFORD

ENOC Server

SAM Server

LCG Grid

Local Tests

User Interface

Nagios Server

Myproxy Server

Upload Proxy

Personal Computer


Uki wlcg nagios setup at oxford1

UKI WLCG NAGIOS SETUP AT OXFORD

We have installed a WLCG Nagios instance at Oxford for UKI

www.gridppnagios.physics.ox.ac.uk/nagios

Access is restricted to members of dteam and ops VO. Access can be granted to non vo members having grid certificate.

A brief introduction is provided at

http://www.gridpp.ac.uk/wiki/UKI_Regional_Nagios

I have to expand it !


Wlcg nagios kashif mohammad deputy technical co ordinator south grid university of oxford

SAM

NPM

Local


Uki wlcg nagios setup at oxford2

UKI WLCG NAGIOS SETUP AT OXFORD

  • You can subscribe alarm notification by dropping me a mail

  • Local tests are more frequent than SAM test so sometime it can be useful. Is it ?

  • Which alarms are useful ?

  • Alarm notifications can be fine tuned. But need feedback.


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