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OpenStack Cloud Computing Cookbook by Kevin Jackson

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Increasing OpenStack Compute capacity

Adding extra Compute capacity is very simple with OpenStack. You essentially add in as many compute nodes as required, each having the same configuration file that tells OpenStack of its existence.

Adding Compute capacity using Juju is simply achieved by enlisting a new server into MAAS, and then running the following commands:

juju deploy nova-compute
juju add-relation nova-compute mysql
juju add-relation nova-compute rabbitmq
juju add-relation nova-compute glance
juju add-relation nova-compute keystone
juju add-relation nova-compute:network-manager nova-cloud-controller:network-manager

If Juju is not configured, add Compute hosts manually using the package manager, apt, and carry out the steps in the following ...

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