
OpenStack Cloud Computing Cookbook
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After we have enabled OpenStack to allow host aggregate filtering, we can then proceed to create our host aggregates. This recipe will show you how to create a host aggregate.
To create a host aggregate, you will need the following information:
The openstack
command-line client
The openrc
file containing appropriate credentials
A name for the aggregate
For our example, the host aggregate will be named cookbook-ssd-hosts
.
To create a host aggregate, carry out the following steps:
First, we will list the current host aggregates:
openstack aggregate list
This gives an output like the following:
Next, we will create the aggregate:
openstack aggregate create cookbook-ssd-hosts
This will bring back an output like the following:
List the host aggregates:
openstack aggregate list
This gives an output like the following:
In Nova, a host aggregate provides OpenStack administrators and operators a mechanism to group hosts based on arbitrary attributes...
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