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DOCSP-44678-mongosync-8.0-support #451

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DOCSP-44678-mongosync-8.0-support #451

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DOCSP-44678-mongosync-8.0-support
ajhuh-mdb Oct 25, 2024
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2 changes: 2 additions & 0 deletions source/includes/fact-no-8.0-support.rst
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@@ -0,0 +1,2 @@
``mongosync`` does not yet support migrations to and from clusters that use
MongoDB 8.0.
2 changes: 2 additions & 0 deletions source/reference/mongosync.txt
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Expand Up @@ -37,6 +37,8 @@ To get started with ``mongosync``, refer to the :ref:`Quick Start Guide
Compatibility
-------------

- .. include:: /includes/fact-no-8.0-support.rst

- .. include:: /includes/fact-minimum-server-version-support.rst

You can migrate data on clusters (source) with versions of MongoDB
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29 changes: 29 additions & 0 deletions source/reference/supported-server-version.txt
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Expand Up @@ -15,6 +15,8 @@ MongoDB Server Version Compatibility
Before you run {+c2c-product-name+}, consider the following MongoDB server
version limitations and requirements:

- .. include:: /includes/fact-no-8.0-support.rst

- .. include:: /includes/fact-minimum-server-version-support.rst

- ``mongosync`` doesn't support MongoDB rapid releases, such as 6.1 or 6.2.
Expand All @@ -36,6 +38,8 @@ Synchronize Data Between Clusters with Different MongoDB Server Major Versions
destination MongoDB server versions.

.. list-table::
:header-rows: 1
:stub-columns: 1
:widths: 40 30 30

* -
Expand All @@ -49,3 +53,28 @@ destination MongoDB server versions.
* - **7.0** Source
-
- √

Synchronize Data From a Pre-8.0 Source Cluster to an 8.0 Destination Cluster
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

To migrate data from a 6.0 or 7.0 source cluster to an 8.0 destination
cluster:

- Use ``mongosync`` to migrate data from your source cluster to a 7.0
destination cluster.
- Upgrade the 7.0 destination cluster to 8.0.

Synchronize Data Between Two 8.0 Clusters
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

To migrate data between two 8.0 clusters:

- Use :ref:`mongodump` to export data from the source cluster.
- Use :ref:`mongorestore` to import the data into the destination cluster.

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@mvankeulen94 mvankeulen94 Oct 25, 2024

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Thinking some more, we can also link to https://www.mongodb.com/docs/manual/release-notes/8.0-downgrade/ and add downgrading the source to 7.0 as an option here - they would then migrate into a 7.0 destination and upgrade the destination. It seems like the downgrade option is only supported for EA, not Atlas or Community

For limitations on using ``mongodump`` and ``mongorestore``, see
:ref:`mongorestore-behavior-access-usage`.

Alternatively, you can :ref:`downgrade your 8.0 source cluster <8.0-downgrade>`
to 7.0, migrate your data into a 7.0 destination cluster, and then upgrade the
destination cluster to 8.0.