From d5dbc2f22b318ab1fef3208e5632131fec7dcae3 Mon Sep 17 00:00:00 2001 From: John Wilkins Date: Fri, 14 Jun 2013 16:57:15 -0700 Subject: [PATCH] doc: Updated usage and index tags. Signed-off-by: John Wilkins --- doc/rbd/rbd-cloudstack.rst | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-) diff --git a/doc/rbd/rbd-cloudstack.rst b/doc/rbd/rbd-cloudstack.rst index b81660edd7b97..49a903a5a63fe 100644 --- a/doc/rbd/rbd-cloudstack.rst +++ b/doc/rbd/rbd-cloudstack.rst @@ -2,12 +2,12 @@ Block Devices and CloudStack ============================= -You may use Ceph block device images with CloudStack 4.0 and higher through +You may use Ceph Block Device images with CloudStack 4.0 and higher through ``libvirt``, which configures the QEMU interface to ``librbd``. Ceph stripes block device images as objects across the cluster, which means that large Ceph -block device images have better performance than a standalone server! +Block Device images have better performance than a standalone server! -To use Ceph block devices with CloudStack 4.0 and higher, you must install QEMU, +To use Ceph Block Devices with CloudStack 4.0 and higher, you must install QEMU, ``libvirt``, and CloudStack first. We recommend using a separate physical host for your CloudStack installation. CloudStack recommends a minimum of 4GB of RAM and a dual-core processor, but more CPU and RAM will perform better. The @@ -32,8 +32,8 @@ following diagram depicts the CloudStack/Ceph technology stack. | OSDs | | Monitors | +------------------------+ +------------------------+ -.. important:: To use Ceph block devices with CloudStack, you must have a - running Ceph cluster. +.. important:: To use Ceph Block Devices with CloudStack, you must have + access to a running Ceph Storage Cluster. CloudStack integrates with Ceph's block devices to provide CloudStack with a back end for CloudStack's Primary Storage. The instructions below detail the @@ -44,9 +44,10 @@ setup for CloudStack Primary Storage. libvirt from source. Installing and configuring QEMU for use with CloudStack doesn't require any -special handling. Ensure that you have a running Ceph cluster. Install QEMU and -configure it for use with Ceph; then, install ``libvirt`` version 0.9.13 or -higher (you may need to compile from source) and ensure it is running with Ceph. +special handling. Ensure that you have a running Ceph Storage Cluster. Install +QEMU and configure it for use with Ceph; then, install ``libvirt`` version +0.9.13 or higher (you may need to compile from source) and ensure it is running +with Ceph. #. `Install and Configure QEMU`_. #. `Install and Configure libvirt`_ version 0.9.13 or higher. @@ -56,6 +57,8 @@ higher (you may need to compile from source) and ensure it is running with Ceph. .. note:: Raring Ringtail (13.04) will have ``libvirt`` version 0.9.13 or higher with RBD storage pool support enabled by default. +index:: pools; CloudStack + Create a Pool ============= @@ -94,7 +97,7 @@ Create a Disk Offering ====================== To create a new disk offering, refer to `Create a New Disk Offering (4.0.0)`_ or - `Create a New Disk Offering (4.0.1)`_. Create a disk offering so that it +`Create a New Disk Offering (4.0.1)`_. Create a disk offering so that it matches the ``rbd`` tag. The ``StoragePoolAllocator`` will choose the ``rbd`` pool when searching for a suitable storage pool. If the disk offering doesn't match the ``rbd`` tag, the ``StoragePoolAllocator`` may select the pool you -- 2.39.5