Customers using Nava Certus, may have noticed a few logistical complications with extremely large migrations. If a migration was large and the source files were still in used by users, then by the time you migrate the data there will be new versions of some files at the source.
In the past, we recommended to split up migrations into manageable chunks and to enforce a ‘freeze’ on the source during the migration.
Today we have a more ideal solution. We’re happy to release Nava Certus 1.3 featuring a new “Continuous Mode” option that enables two use cases: Delta migrations & One-way Synchronization.

Delta Migration
One the main stage of the migration has finished, a delta migration allows for the migration of only the changed files. With this functionality, each migration can now have a last “delta migration” phase shortly before the go-live.
One-Way Synchronization
With the one-way synchronization use case, the customer would like to continuously update the destination as files at the source are updated. When the destination is set to Google Drive,
More Details
As you can see on the left, there are three configuration options we’ve added:

Enable Continuous Mode: With this option enabled, after migrating the initial set of data, NC will go into “Watching” state and monitor the source for changed files and periodically begin to migrate the changed data. For the Google Drive destination, modified files are appended as new “Revisions” to the existing file in Google Drive, preserving the previous version of the file.

Detection Method: We support 2 modes of detecting changes: Datetime and Checksum. With Datetime, […]