OpenStack FAQ

21 articles — answers that actually help

Ceph 1 OpenStack 8 OpenStack Ansible 5 OpenStack Commands 6 OpenStack Kolla 1 OpenStack Operations 9 Private Cloud 4

Ceph

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Ceph Setup Ubuntu Three Node Step-by-step guide to deploying a three-node Ceph cluster on Ubuntu 22.04 using cephadm for high-availability storage.

OpenStack

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OpenStack Liberty Private Cloud HowTo Deploy a new OpenStack Dalmatian cloud and migrate Liberty workloads via parallel export/import of images, instances, and volumes. OpenStack Dev Server Setup CentOS Step-by-step guide to installing and configuring DevStack on CentOS Stream 9 for OpenStack 2024.2 development. OpenStack Dev Server Setup Ubuntu Step-by-step guide to setting up an OpenStack 2024.2 development environment on Ubuntu 22.04 using DevStack for testing and contribution.

OpenStack Ansible

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Cinder Multiple Backends Configure multiple Cinder storage backends by editing cinder.conf, creating volume types, and mapping them to specific drivers. OpenStack Ansible Ceph Configure OpenStack Ansible to use external Ceph storage for Glance, Cinder, and Nova by setting up pools, keyrings, and deployment variables. OpenStack Ansible Managed Ceph Deploy and manage Ceph clusters with OpenStack Ansible using YAML configurations and dedicated playbooks.

OpenStack Commands

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OpenStack Add Direct Attached DHCP IPs Configure OpenStack Neutron to assign direct-attached DHCP IPs to instances on flat or VLAN provider networks. OpenStack Add Floating IPs Learn to allocate, associate, and manage OpenStack floating IPs using CLI commands for external network access. OpenStack Add Images to Glance Learn to upload, configure, and manage cloud images in OpenStack Glance using CLI commands for local files and URLs.

OpenStack Kolla

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OpenStack Kolla All in One Deploy OpenStack 2024.2 on a single Ubuntu host using Kolla-Ansible with step-by-step commands for setup, configuration, and management.

OpenStack Operations

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OpenStack Stacking vs Spreading Configure OpenStack scheduler weights and overcommit ratios to choose between stacking VMs for density or spreading them for isolation. OpenStack Add Direct Attached DHCP IPs Configure OpenStack Neutron to assign direct-attached DHCP IPs to instances on flat or VLAN provider networks. OpenStack Add Images to Glance Learn to upload, configure, and manage cloud images in OpenStack Glance using CLI commands for local files and URLs.

Private Cloud

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OpenStack Dev Server Setup CentOS Step-by-step guide to installing and configuring DevStack on CentOS Stream 9 for OpenStack 2024.2 development. OpenStack Dev Server Setup Ubuntu Step-by-step guide to setting up an OpenStack 2024.2 development environment on Ubuntu 22.04 using DevStack for testing and contribution. OpenStack Liberty Private Cloud HowTo Deploy a new OpenStack Dalmatian cloud and migrate Liberty workloads via parallel export/import of images, instances, and volumes.