diff --git a/doc/ops-guide/source/arch-storage.rst b/doc/ops-guide/source/arch-storage.rst index 9d68e41484..3f59e869af 100644 --- a/doc/ops-guide/source/arch-storage.rst +++ b/doc/ops-guide/source/arch-storage.rst @@ -122,11 +122,10 @@ driver. Most block storage drivers allow the instance to have direct access to the underlying storage hardware's block device. This helps increase the overall read/write IO. However, support for utilizing files as volumes -is also well established, with full support for NFS, GlusterFS and -others. +is also well established, with full support for NFS and other protocols. These drivers work a little differently than a traditional "block" -storage driver. On an NFS or GlusterFS file system, a single file is +storage driver. On an NFS file system, a single file is created and then mapped as a "virtual" volume into the instance. This mapping/translation is similar to how OpenStack utilizes QEMU's file-based virtual machines stored in ``/var/lib/nova/instances``. @@ -320,8 +319,7 @@ of open-source packages, as shown in :ref:`table_persistent_file_storage`. * - Gluster - .. image:: figures/Check_mark_23x20_02.png :width: 30% - - .. image:: figures/Check_mark_23x20_02.png - :width: 30% + - - .. image:: figures/Check_mark_23x20_02.png :width: 30% * - NFS