Removing an Availability Zone

Removing an AZ is a multistep process, and has some caveats. To remove an AZ, you must first remove the hosts from the host aggregate.

Getting ready

The following information is required to remove an AZ:

• The openstack command line client

• The openrc file containing appropriate credentials

• The name or ID of the AZ

How to do it…

The following steps can be used to remove an AZ:

1. First, list the AZs available with the following command:

   openstack availability zone list
   

   This will bring back an output like the following:

   

2. Now list the hosts within the AZ that we want to delete:

   openstack aggregate show cookbook-az
   

   This will bring back an output like the following:

   

3. Now remove the hosts with following command (repeat as necessary for each host in the aggregate):

   openstack aggregate remove host cookbook-az compute-01
   

   This will bring back the following output:

   

4. Remove the AZ using the aggregate delete command:

   openstack aggregate delete cookbook-az
   

   Note

   This command produces no output...