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Informatics and Statistics Department Informatics and Statistics - - PowerPoint PPT Presentation

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Federal University of Technical Santa Catarina (UFSC) Center (CTC) Brazil Informatics and Statistics Department Informatics and Statistics Department A SMS Tool for Alerts and Monitoring A SMS Tool for Alerts and Monitoring of a High

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Federal University of Santa Catarina (UFSC) Brazil Technical Center (CTC)

Informatics and Statistics Department Informatics and Statistics Department

A SMS Tool for Alerts and Monitoring A SMS Tool for Alerts and Monitoring

  • f a High Availability Cluster Environment
  • f a High Availability Cluster Environment
  • M. A. R. Dantas
  • M. A. R. Dantas
  • R. K. Baggio
  • R. K. Baggio
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  • Introduction
  • The Proposed SMS Tool
  • Experimental Results
  • Conclusions and Future Work
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SLIDE 3

Introduction

  • NOW – Network of Workstations

– Non-dedicated environments – Utilization of idle resources from a LAN or WAN

  • COW – Custer of Workstations

– Dedicated cluster configurations – Homogeneity

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Introduction

  • Focus on COW configurations
  • SMS tool

– Monitor a cluster executing the OSCAR/HA- OSCAR software packages.

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SLIDE 5
  • Introduction
  • The Proposed SMS Tool
  • Experimental Results
  • Conclusions and Future Work
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The Proposed SMS Tool

  • In case of a Cluster failure

– Generate an alert message – Send to SMSGate through SMTP – Forward the message to a mobile phone through the public telephone system

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SLIDE 7

The Proposed SMS Tool

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The Proposed SMS Tool

  • Failure Verification Method

– Connection attempt between the monitor and the monitored nodes. – Monitor expects deny of connection to assume that the monitored is OK. – Any other answer, or no answer at all, the monitor assumes that the monitored is down.

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SLIDE 9
  • Introduction
  • The Proposed SMS Tool
  • Experimental Results
  • Conclusions and Future Work
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SLIDE 10

Experimental Results

  • Case Study A

– Simultaneous failures (Standby and Slave) – Failures were simulated by physically disconnecting both nodes from the network. – After the alert messages were received, the nodes were reconnected.

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Experimental Results

  • Case Study B

– Failure on the master node – HA-OSCAR detects the failure – The proposed tool detects this change and start monitoring from the new master node. – After the alerts were sent, the node was reconnected, granting consistency to the cluster again.

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  • Introduction
  • The Proposed SMS Tool
  • Experimental Results
  • Conclusions and Future Work
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Conclusions and Future Work

  • Extends the facilities found in the wired

network to mobile phones using a SMS message approach.

  • Experimental results employing the tool

indicate that we successfully reach our initiation proposals.

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Conclusions and Future Work

  • As a future work we are going to

implement a more complex tool join efforts with the research work presented by A Wireless Monitoring Approach for a HA- OSCAR Cluster Environment, submitted paper to the OSCAR Conference, Canada, 2005.

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Questions? Questions?

Mario Dantas Mario Dantas

Federal Federal University of Santa University of Santa Catarina Catarina (UFSC) (UFSC) Department of I nformatics and Statistics Department of I nformatics and Statistics

mario@inf.ufsc.br mario@inf.ufsc.br Rafael Baggio Rafael Baggio

Federal Federal University of Santa University of Santa Catarina Catarina (UFSC) (UFSC) Department of I nformatics and Statistics Department of I nformatics and Statistics

baggio@inf.ufsc.br baggio@inf.ufsc.br