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15 - Install and configure Cinder on storage nodes

This post explains how to install and configure OpenStack’s volume service (Cinder) on a storage node using LVM. Note: run commands on the storage node (storage01) and use them as shown. Install required packages sudo apt install -y lvm2 thin-provisioning-tools Verify the /dev/vdb disk fdisk -l Make sure /dev/vdb appears and has no partitions before continuing. Create the LVM physical volume sudo pvcreate /dev/vdb Create the cinder-volumes volume group sudo vgcreate cinder-volumes /dev/vdb Edit /etc/lvm/lvm.conf Under the devices section, add or modify the filter line to prevent LVM from scanning unwanted disks:

Sunday, November 23, 2025 | 2 minutes Read
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16 - Install and configure Horizon on the controller node

This post explains how to install and configure the Horizon web dashboard on the controller node (controller01). Install required packages sudo apt update sudo apt install -y openstack-dashboard Edit Horizon main configuration Edit /etc/openstack-dashboard/local_settings.py and ensure the following lines are set. Use sudo with vim or nano if preferred. sudo nano /etc/openstack-dashboard/local_settings.py Key entries: OPENSTACK_HOST = "controller01" SESSION_ENGINE = 'django.contrib.sessions.backends.cache' CACHES = { 'default': { 'BACKEND': 'django.core.cache.backends.memcached.PyMemcacheCache', 'LOCATION': 'controller01:11211', } } OPENSTACK_KEYSTONE_URL = "http://%s:5000/v3" % OPENSTACK_HOST OPENSTACK_KEYSTONE_MULTIDOMAIN_SUPPORT = True OPENSTACK_API_VERSIONS = { "identity": 3, "image": 2, "volume": 3, } OPENSTACK_KEYSTONE_DEFAULT_DOMAIN = "Default" OPENSTACK_KEYSTONE_DEFAULT_ROLE = "user" Note: change volume: 2 to volume: 3 because we use Cinder v3 endpoints. If you prefer v2, set OPENSTACK_API_VERSIONS['volume'] = 2.

Sunday, November 23, 2025 | 2 minutes Read