Last updated on JULY 14, 2015
Applies to:Oracle Virtual Desktop Infrastructure - Version 3.3 to 3.5.1 [Release 3.0]
Information in this document applies to any platform.
Oracle Virtual Desktop Infrastructure (VDI) 3.3 now provides a high availability configuration with just two servers. The bundled MySQL Cluster database used in previous releases is replaced with an embedded MySQL Server database. The change means that high availability configuration is now possible with just two hosts in an Oracle VDI Center. This feature is automatically enabled as soon as a secondary host is added to the Oracle VDI Center. Asynchronous replication is used between the master database on the primary Oracle VDI host and the slave database on the secondary host. Additional secondary hosts in an Oracle VDI Center have no database role.
Due to this feature, a 'failover action' can be triggered when restarting servers in the array, which in some situations is not needed or not completed. This article explains best procedure for restarting the cluster without invoking failover.
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