--- /dev/null
+Carbon cluster testing
+======================
+
+Contents:
+
+.. toctree::
+ :maxdepth: 1
+
+ scenarios
+ caveats
+ tests
+ sandbox
+ release
+ sr1
+ sr2
+
+Note that `release <release.html>`_, `sr1 <sr1.html>`_ and `sandbox <sandbox.html>`_ pages
+contain data from before test implementation and documentation structure were finalized,
+so there may be inconsistencies.
+
+TODO: Re-test Carbon release and SR1 images (with retrofitted tests where needed)
+so users can see authoritative test results.