Mention short downtime of API services in the OpenStack upgrade guide (…

…#487) Signed-off-by: Christian Berendt <[email protected]> Signed-off-by: Marc Schöchlin <[email protected]>
osism · May 21, 2024 · 9f08ca1 · 9f08ca1
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diff --git a/docs/guides/upgrade-guide/openstack.md b/docs/guides/upgrade-guide/openstack.md
@@ -5,6 +5,14 @@ sidebar_position: 40
 
 # OpenStack
 
+:::info
+
+When upgrade the different OpenStack services, all containers must be
+restarted. When restarting the API services, there is a short downtime
+of the APIs. This downtime is usually less than 1 minute.
+
+:::
+
 ## Keystone
 
 ```