diff --git a/cinder/volume/drivers/disco/disco.py b/cinder/volume/drivers/disco/disco.py
index 091e0f25d27..707691826fc 100644
--- a/cinder/volume/drivers/disco/disco.py
+++ b/cinder/volume/drivers/disco/disco.py
@@ -125,6 +125,9 @@ class DiscoDriver(driver.VolumeDriver):
     VERSION = "1.1"
     CI_WIKI_NAME = "ITRI_DISCO_CI"
 
+    # TODO(jsbryant) Remove driver in Stein if CI is not fixed
+    SUPPORTED = False
+
     def __init__(self, *args, **kwargs):
         """Init Disco driver : get configuration, create client."""
         super(DiscoDriver, self).__init__(*args, **kwargs)
diff --git a/releasenotes/notes/disco-mark-unsupported-f6eb8208c8c4eb3b.yaml b/releasenotes/notes/disco-mark-unsupported-f6eb8208c8c4eb3b.yaml
new file mode 100644
index 00000000000..6085d5b7f1b
--- /dev/null
+++ b/releasenotes/notes/disco-mark-unsupported-f6eb8208c8c4eb3b.yaml
@@ -0,0 +1,15 @@
+---
+upgrade:
+  - |
+    The Disco driver has been marked as unsupported and is now
+    deprecated. ``enable_unsupported_driver`` will need to be set
+    to ``True`` in the driver's section in cinder.conf to continue
+    to use it.
+deprecations:
+  - |
+    The Disco driver has been marked as unsupported and is now
+    deprecated. ``enable_unsupported_driver`` will need to be set
+    to ``True`` in the driver's section in cinder.conf to continue
+    to use it. If its support status does not change, it will be
+    removed in the Stein development cycle.
+