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Elastic Docs ›Elasticsearch Guide [8.15] ›Troubleshooting ›Troubleshooting broken repositories

Diagnosing unknown repositories

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Diagnosing unknown repositories

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When a snapshot repository is marked as "unknown", it means that an Elasticsearch node is unable to instantiate the repository due to an unknown repository type. This is usually caused by a missing plugin on the node. Make sure each node in the cluster has the required plugins by following the following steps:

  1. Retrieve the affected nodes from the affected resources section of the health report.
  2. Use the nodes info API to retrieve the plugins installed on each node.
  3. Cross reference this with a node that works correctly to find out which plugins are missing and install the missing plugins.
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