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Application Resilience

Application Resilience. Agenda. What is “High Availability” Connexall Server Specification Virtualization VMware HA vs. Connexall HA What is Connexall HA? Best Practices. High Availability. High Availability Cluster HA Cluster Failover Cluster

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Application Resilience

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  1. Application Resilience

  2. Agenda • What is “High Availability” • Connexall Server Specification • Virtualization • VMware HA vs. Connexall HA • What is Connexall HA? • Best Practices

  3. High Availability • High Availability Cluster • HA Cluster • Failover Cluster • Groups of Servers reliably utilized with  minimum down-time. • Operates by harnessing redundant servers in groups or clusters • Provides continued service when system components become unavailable.

  4. Virtualization • Reduction in Cost • Easily rebuilt or moved • Utilize VM resouce allocation tools • CPU • Memory • Disk Space • Management (V-Motion) • Connexall High Availability fully Supported

  5. VMware HA • VMware HA • Reserved for Applications w/o HA capabilities • OS Side Failover • Must have Virtualization Suite • 3rd Party Tools may be required • Support for real-time application?

  6. Connexall HA – Layer 7

  7. Benefits • Support “per client” Failover • Heartbeats • Mechanisms to protect from False Failovers • Replicates active alarm/callpoints in real-time • Replicates the entire CNS configuration database. • Provides monitoring and fail-over notification • Reporting of system status

  8. What is Connexall HA? Primary Standby Clients • 3+ Node Primary/Standby Cluster with real-time data synchronization and auto failover capability.

  9. Server Deployment & Design • Server Specifications • Design for Expansion in mind • No “cookie cutter” approach • Must look at specific Application(s)

  10. Components

  11. Monitor Synchronize Active Standby Active Offline Clients

  12. Best Practices forApplication Resilience

  13. Scheduled backups DMU/DMS

  14. Connexall Services Manager

  15. Windows Patching • Disable automatic Windows Updates • Establish time and date for Patching • Inform Connexall Tech Support in advance • Patch 1 server at a time

  16. Thank you

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