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Astaro Deployment Guide
High Availability Options – Clustering and Hot Standby
Table of
Contents
Introduction ................................................................................................ 2
Active/Passive HA (Hot Standby) ...................................................................... 2
Active/Active HA (Cluster) ............................................................................... 2
Astaro’s HA – Act as One ................................................................................. 2
Deploying a Hot Standby System ................................................................ 2
Installation .................................................................................................... 3
Automatic Configuration ........................................................................ 3
Manual Configuration ............................................................................ 4
Total Synchronization ..................................................................................... 4
Failover ......................................................................................................... 5
Update Process .............................................................................................. 5
Monitoring ..................................................................................................... 5
Reporting and Logging .................................................................................... 6
Deploying a Cluster System ......................................................................... 6
Installation .................................................................................................... 7
Initial Setup ......................................................................................... 7
Extending a Cluster .............................................................................. 7
Integrated Load Balancing ............................................................................... 8
Distributed Network Traffic .................................................................... 8
HA Roles and Failover ..................................................................................... 8
Performance Improvements........................................................................... 10
Example - Meshed Cluster Setup ............................................................... 11
Conclusion ................................................................................................. 12