doc: from v16.2.6 you have to point to the quay.io image if using docker

New images are no longer uploaded to the Docker Hub registry, so Docker users should point the upgrade
command to the quay.io image.

Fixes: https://tracker.ceph.com/issues/52683
Signed-off-by: Javier Cacheiro <javier.cacheiro.lopez@cesga.es>

diff --git a/doc/cephadm/upgrade.rst b/doc/cephadm/upgrade.rst
index dd6bd875977dd6d6196075fdddd6fd6fe1c27b7b..429f4f2803e04650677e0a4fcc858aad4db0235f 100644 (file)
--- a/doc/cephadm/upgrade.rst
+++ b/doc/cephadm/upgrade.rst
@@ -37,12 +37,20 @@ To upgrade (or downgrade) to a specific release, run the following command:
 
   ceph orch upgrade start --ceph-version <version>
 
-For example, to upgrade to v15.2.1, run the following command:
+For example, to upgrade to v16.2.6, run the following command:
 
 .. prompt:: bash #
 
   ceph orch upgrade start --ceph-version 15.2.1
 
+.. note::
+
+    From version v16.2.6 the Docker Hub registry is no longer used, so if you use Docker you have to point it to the image in the quay.io registry:
+
+.. prompt:: bash #
+
+  ceph orch upgrade start --image quay.io/ceph/ceph:v16.2.6
+
 
 Monitoring the upgrade
 ======================