From: Jason Dillaman Date: Fri, 21 Oct 2016 18:49:13 +0000 (-0400) Subject: doc: clarify QEMU rbd cache settings X-Git-Tag: v11.1.0~514^2 X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=cb897a4e98f851641d45abdeaa180ae858ca1095;p=ceph.git doc: clarify QEMU rbd cache settings http://tracker.ceph.com/issues/17665 Signed-off-by: Jason Dillaman --- diff --git a/doc/rbd/qemu-rbd.rst b/doc/rbd/qemu-rbd.rst index e771acd8b702..80c5dcc4187b 100644 --- a/doc/rbd/qemu-rbd.rst +++ b/doc/rbd/qemu-rbd.rst @@ -203,12 +203,12 @@ None:: rbd_cache = false -QEMU's cache settings override Ceph's default settings (i.e., settings that are -not explicitly set in the Ceph configuration file). If you explicitly set `RBD -Cache`_ settings in your Ceph configuration file, your Ceph settings override -the QEMU cache settings. If you set cache settings on the QEMU command line, the -QEMU command line settings override the Ceph configuration file settings. +QEMU's cache settings override Ceph's cache settings (including settings that +are explicitly set in the Ceph configuration file). +.. note:: Prior to QEMU v2.4.0, if you explicitly set `RBD Cache`_ settings + in the Ceph configuration file, your Ceph settings override the QEMU cache + settings. .. _QEMU Open Source Processor Emulator: http://wiki.qemu.org/Main_Page .. _QEMU Manual: http://wiki.qemu.org/Manual