Hi, The availability Zones filter states that theoretically a compute node can be part of multiple availability zones. I have a requirement where I need to make a compute node part to 2 AZ. When I try to create a host aggregates with AZ I can not add the node in two host aggregates that have AZ defined. However if I create a host aggregate without associating an AZ then I can add the compute nodes to it. After doing that I can update the host-aggregate an associate an AZ. This looks like a bug.
I can see the compute node to be listed in the 2 AZ with the availability-zone-list command. The problem that I have is that I can still not boot a VM on the compute node when I do not specify the AZ in the command though I have set the default availability zone and the default schedule zone in nova.conf. I get the error “ERROR: The requested availability zone is not available” What I am trying to achieve is have two AZ that the user can select during the boot but then have a default AZ which has the HV from both AZ1 AND AZ2 so that when the user does not specify any AZ in the boot command I scatter my VM on both the AZ in a balanced way. Any pointers. Thanks, Sangeeta
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