diff --git a/deploy-guide/source/overview-requirements.rst b/deploy-guide/source/overview-requirements.rst index 10782540cf..4be6971816 100644 --- a/deploy-guide/source/overview-requirements.rst +++ b/deploy-guide/source/overview-requirements.rst @@ -55,26 +55,31 @@ Different hosts have different disk space requirements based on the services running on each host: Deployment hosts - Ten GB of disk space is sufficient for holding the OpenStack-Ansible - repository content and additional required software. + A minimum of ``10 GB`` of disk space is sufficient for holding the + OpenStack-Ansible repository content and additional required software. Compute hosts Disk space requirements depend on the total number of instances running on each host and the amount of disk space allocated to each instance. - Compute hosts must have a minimum of 1 TB of disk space available. Consider - disks that provide higher I/O throughput with lower latency, such as SSD - drives in a RAID array. + + * Compute hosts must have a minimum of ``1 TB`` of disk space available. + + * Consider disks that provide higher I/O throughput with lower latency, + such as SSD drives in a RAID array. Storage hosts Hosts running the Block Storage (cinder) service often consume the most disk - space in OpenStack environments. Storage hosts must have a minimum of 1 TB - of disk space. As with Compute hosts, choose disks that provide the highest - I/O throughput with the lowest latency. + space in OpenStack environments. + + * Storage hosts must have a minimum of ``1 TB`` of disk space. + + * As with Compute hosts, choose disks that provide the highest + I/O throughput with the lowest latency. Infrastructure (control plane) hosts The OpenStack control plane contains storage-intensive services, such as the Image service (glance), and MariaDB. These hosts must have a minimum of - 100 GB of disk space. + ``100 GB`` of disk space. Logging hosts An OpenStack-Ansible deployment generates a significant amount of log @@ -83,7 +88,7 @@ Logging hosts hosts need sufficient disk space to hold live and rotated (historical) log files. In addition, the storage performance must be able to keep pace with the log traffic coming from various hosts and containers within the OpenStack - environment. Reserve a minimum of 50 GB of disk space for storing logs on + environment. Reserve a minimum of ``50 GB`` of disk space for storing logs on the logging hosts. Hosts that provide Block Storage volumes must have Logical Volume