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+# OCM
+
+From 8.0.0, Seafile supports [OCM protocol](https://rawgit.com/GEANT/OCM-API/v1/docs.html). 
+
+With OCM, user can share library to other server which enabled OCM too.
+
+## Configuration
+
+Add the following configuration to `seahub_settings.py`.
+
+```python
+# Enable OCM
+ENABLE_OCM = True
+OCM_PROVIDER_ID = '71687320-6219-47af-82f3-32012707a5ae' # server unique id
+OCM_REMOTE_SERVERS = [
+    {
+        "server_name": "dev",
+        "server_url": "https://seafile-domain-1/", # should ends with '/'
+    },
+    {
+        "server_name": "download",
+        "server_url": "https://seafile-domain-2/", # should ends with '/'
+    },
+]
+```
+
+## Configuration
+
+#### Share library to other server
+
+In the library sharing dialog, jump to "Share to other server", you can share this library to user of other server with "Read-Only" or "Read-Write" permission. Also you can view shared records and cancel sharing.
+![ocm-share-to-other-server](../images/ocm-share-to-other-server.png)
+
+#### View be shared libraries
+
+User can jump to “Shared from other servers” page to view the libraries shared by other servers and cancel the sharing.
+![ocm-list-be-shared-libraries](../images/ocm-list-be-shared-libraries.png)
+
+User can enter the library to view、 download、 and upload files.
+![ocm-view-download-upload-files-in-library](../images/ocm-view-download-upload-files-in-library.png)