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- .. _datadir_migrating:
- Migrating a data directory between versions
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- It is possible to keep the same data directory while migrating to different versions of GeoServer, such as during an update.
- There should generally be no problems or issues migrating data directories between patch versions of GeoServer (for example, from 2.9.0 to 2.9.1 or vice versa).
- Similarly, there should rarely be any issues involved with migrating between minor versions (for example, from 2.8.x to 2.9.x). **Care should be taken to back up the data directory prior to migration.**
- .. note:: Some minor version migrations may not be reversible, since **newer versions of GeoServer may make backwards-incompatible changes** to the data directory.
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