Signed-off-by: Adam Crume <adamcrume@gmail.com>
:Description: Enable caching for RADOS Block Device (RBD).
:Type: Boolean
:Required: No
-:Default: ``false``
+:Default: ``true``
``rbd cache size``
:Description: Start out in write-through mode, and switch to write-back after the first flush request is received. Enabling this is a conservative but safe setting in case VMs running on rbd are too old to send flushes, like the virtio driver in Linux before 2.6.32.
:Type: Boolean
:Required: No
-:Default: ``false``
+:Default: ``true``
.. _Block Device: ../../rbd/rbd/