Reset Inter-cluster replication - Hot initialization


How to Reset inter-cluster replication - Hot initialization


  1. Leave the Inter-Cluster replication Enabled and ensure it works correctly both ways. (you can make some dummy changes and validate that first)
  2. Export the HDAP store from the Central Journal Cluster into LDIF with “Export for replication” enabled
  3. Verify that the top few lines in the LDIF file should contain “vdssynccursor” as a date format and not a number
  4. Copy the LDIF file to the other Secondary Cluster
  5. Perform an initialization using the exported LDIF into the other Secondary Clusters
  6. Once all the data is synced, the secondary cluster HDAP store's “vdssynccursor” value will change from a date format to a number format with the latest data change. 
    NOTE: After initialization, converting "vdssynccursor" from a Date format to a Number Format can take a very long time, depending on the number of changes in the store. Until the conversion is finished, all the replication traffic will be queued/pending on this secondary cluster. If the format doesn't change, you need to disable and enable the inter-cluster replication on the secondary cluster to kick-start the sync. 


All changes that happened during the Export process will also be published in other Clusters.



This is a One-way replication data fix from Primary to Secondary.

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Date Votes
  • Does this apply to VDS 7.2, 7.3, 7.4 and 8.0?

  • It was added after v7.2.25+ and v7.3.2+ and v7.4.0+ and will surely be in 8.0 code base.


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