diff --git a/doc/source/admin/capacity-based-qos.rst b/doc/source/admin/capacity-based-qos.rst index b88fccd2e98..d82656693b2 100644 --- a/doc/source/admin/capacity-based-qos.rst +++ b/doc/source/admin/capacity-based-qos.rst @@ -26,15 +26,15 @@ which values should be fairly self explanatory: For dynamic IOPS per volume. -* `read_iops_sec_per_gb` -* `write_iops_sec_per_gb` -* `total_iops_sec_per_gb` +* ``read_iops_sec_per_gb`` +* ``write_iops_sec_per_gb`` +* ``total_iops_sec_per_gb`` For dynamic bandwidth per volume. -* `read_bytes_sec_per_gb` -* `write_bytes_sec_per_gb` -* `total_bytes_sec_per_gb` +* ``read_bytes_sec_per_gb`` +* ``write_bytes_sec_per_gb`` +* ``total_bytes_sec_per_gb`` In addition, there are 6 more options which allow you to control the minimum possible value. This can be useful in cases where a user creates a volume that @@ -42,19 +42,19 @@ is very small and ends up with an unusable volume because of performance. For minimum IOPS per volume. -* `read_iops_sec_per_gb_min` -* `write_iops_sec_per_gb_min` -* `total_iops_sec_per_gb_min` +* ``read_iops_sec_per_gb_min`` +* ``write_iops_sec_per_gb_min`` +* ``total_iops_sec_per_gb_min`` For minimum bandwidth per volume. -* `read_bytes_sec_per_gb_min` -* `write_bytes_sec_per_gb_min` -* `total_bytes_sec_per_gb_min` +* ``read_bytes_sec_per_gb_min`` +* ``write_bytes_sec_per_gb_min`` +* ``total_bytes_sec_per_gb_min`` Capacity based options might be used in conjunction with basic options, -like `*_sec_max`, in order to set upper limits for volumes. This may be useful -for large volumes, which may consume all storage performance. +like ``*_sec_max``, in order to set upper limits for volumes. This may be +useful for large volumes, which may consume all storage performance. For example, in order to create a QoS with 30 IOPs total writes per GB and a throughput of 1MB per GB, you might use the Cinder client in the following @@ -75,7 +75,7 @@ way: +----------+--------------------------------------+ Once this is done, you can associate this QoS with a volume type by using -the `qos-associate` Cinder client command. +the ``qos-associate`` Cinder client command. .. code-block:: console @@ -84,4 +84,4 @@ the `qos-associate` Cinder client command. You can now create a new volume and attempt to attach it to a consumer such as Nova. If you login to a Nova compute host, you'll be able to see the new calculated limits when checking the XML definition of the virtual machine -with `virsh dumpxml`. +with ``virsh dumpxml``.