Enabling Support Cross-Site DR

Prerequisites

• Cross-site DR can be configured only after an advanced license is imported.
• The object service has been enabled.
• No replication cluster with Support Cross-Site DR enabled exists in the cluster.

Procedure

1. Choose Data Protection > Configuration > Replication Cluster.
2. Click More on the right of the desired replication cluster and select Enable Support for Cross-Site DR.

   The Enable Support for Cross-Site DR page is displayed on the right.

   

   • After cross-site DR is enabled:
     1. The DNS TTL will change from 120s to 5s. If the system fails to change the TTL, run the following CLI command to change it.

        change dns ttl dns_ttl=5

     2. Data write will be disabled at the passive site. If the system fails to disable data write at the passive site, run the following CLI command to disable it.

        change passive writeswitch oscPassiveWriteSwitch=false

     3. Automatic takeover will be disabled, so that after the faulty cluster is recovered, it does not automatically take over services. Otherwise, data written before the failback may fail to be read after the failback. If the system fails to disable automatic takeover, run the following CLI command to disable it.

        change cluster_status auto_switch value=off

3. Click OK.