(2.10) Minor changes regarding hotplug support

[ganeti-local] / NEWS

diff --git a/NEWS b/NEWS
index d7c7faf..a0e6b70 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -95,10 +95,14 @@ Incompatible/important changes
 New features
 ~~~~~~~~~~~~
 
-- Hotplug support. Introduce new option --hotplug to gnt-instance modify
+- Hotplug support. Introduce new option '--hotplug' to ``gnt-instance modify``
   so that disk and NIC modifications take effect without the need of actual
-  reboot. This feature is currently supported only for KVM hypervisor with
-  version greater than 1.0.
+  reboot. There are a couple of constrains currently for this feature:
+
+   - only KVM hypervisor (versions >= 1.0) supports it,
+   - one can not (yet) hotplug a disk using userspace access mode for RBD
+   - in case of a downgrade instances should suffer a reboot in order to
+     be migratable (due to core change of runtime files)
 - The :doc:`Remote API <rapi>` daemon now supports a command line flag
   to always require authentication, ``--require-authentication``. It can
   be specified in ``$sysconfdir/default/ganeti``.