Administering the Disaster Recovery Framework for Oracle^® Solaris Cluster 4.4

Actions Performed by the Disaster Recovery Framework During a Takeover

A takeover consists of the following actions:

• If the former primary cluster can be reached and the protection group is not locked for notification handling or some other reason, the protection group is deactivated.

• The data of the former primary cluster cluster-paris is taken over by the new primary cluster.

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  Note -  The data on the former primary cluster cluster-parisC might not be consistent with the data on the original primary cluster. Data replication from the new primary cluster to the former primary cluster is stopped.

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• Application services are brought online on the new primary cluster.

• The protection group is activated without replication enabled.

For more details about takeover and the effects of the geopg takeover command, see Appendix C, Disaster Recovery Administration Example, in Administering the Disaster Recovery Framework for Oracle Solaris Cluster 4.4.

For details about the possible conditions of the primary and secondary cluster before and after a takeover, see Appendix D, Takeover Postconditions, in Administering the Disaster Recovery Framework for Oracle Solaris Cluster 4.4.