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Tag: compute node

Removing compute node/host from an Openstack deployment

Posted on October 13, 2020September 27, 2021 by sandeep

Wanted to remove a compute node from the openstack setup. Stop the services in the compute node service nova-compute stop service neutron-linuxbridge-agent stop # Not sure about the need for stopping the following but did it as I had planned to re-install service lvm2-lvmetad stop service libvirtd stop service lxcfs stop service tgt stop On…

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Cinder – Block storage services – Storage Nodes

Posted on October 11, 2020October 21, 2020 by sandeep

In my case all the three compute nodes will also be storage nodes. In all the three nodes had created a single virtual disk in RAID controller. /dev/sda1 was use for efi boot and /dev/sda2 for OS installation. a new partition /dev/sda3 was created for the remaining space. Install the supporting utility packages apt install…

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Neutron – Networking service on Compute nodes

Posted on October 11, 2020October 20, 2020 by sandeep

Install the component(s) apt install -y neutron-linuxbridge-agent Edit /etc/neutron/neutron.conf and update the configurations in respective sections [ Replace local ip with the management ip of the compute node ] [DEFAULT] transport_url = rabbit://openstack:commonpass@controller auth_strategy = keystone [keystone_authtoken] www_authenticate_uri = http://controller:5000 auth_url = http://controller:5000 memcached_servers = controller:11211 auth_type = password project_domain_name = default user_domain_name = default…

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Nova – Compute services on Compute nodes

Posted on October 10, 2020October 20, 2020 by sandeep

Install the packages apt install -y nova-compute Update following configurations in respective sections of /etc/nova/nova.conf [ Replace my_ip with the management ip of the compute node] [DEFAULT] transport_url = rabbit://openstack:commonpass@controller my_ip = 10.1.1.x use_neutron = true firewall_driver = nova.virt.firewall.NoopFirewallDriver [api] auth_strategy = keystone [keystone_authtoken] www_authenticate_uri = http://controller:5000/ auth_url = http://controller:5000/ memcached_servers = controller:11211 auth_type =…

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