doc: use 'proxy' cache mode in "Removing a Writeback Cache" procedure

The 'forward' mode is flawed as it allows the reordering of requests.

Signed-off-by: Mykola Golub <mgolub@suse.com>

diff --git a/doc/rados/operations/cache-tiering.rst b/doc/rados/operations/cache-tiering.rst
index 9d52e74988be7a5d08a421bedffac4a726c6e3a5..0e6ff96b378b0f0108319d3715707852ef9b4c33 100644 (file)
--- a/doc/rados/operations/cache-tiering.rst
+++ b/doc/rados/operations/cache-tiering.rst
@@ -415,14 +415,14 @@ that you do not lose any recent changes to objects in the cache before you
 disable and remove it.
 
 
-#. Change the cache mode to ``forward`` so that new and modified objects will 
+#. Change the cache mode to ``proxy`` so that new and modified objects will 
    flush to the backing storage pool. ::
 
-       ceph osd tier cache-mode {cachepool} forward
+       ceph osd tier cache-mode {cachepool} proxy
 
    For example:: 
 
-       ceph osd tier cache-mode hot-storage forward
+       ceph osd tier cache-mode hot-storage proxy
 
 
 #. Ensure that the cache pool has been flushed. This may take a few minutes::