
28 Troubleshoot resource configuration
Troubleshooting networks
• Cloud Management Network configuration fails due to a timeout occurring while creating
associated virtual machines (page 155)
• Software Defined Networking (SDN) issues (page 155)
• Cannot create a private network (page 156)
• Cannot delete a private network in the CloudSystem Portal (page 156)
• Cannot add a router with a port using the CloudSystem Portal or the OpenStack Neutron CLI
(page 157)
• External Network information is not listed on the CloudSystem Portal (page 157)
• OpenStack Nova command errors (page 158)
• Floating IPs are not working (page 158)
• Changing the External Network address allocation pools fails (page 159)
• Networks not recreated after management cluster or hypervisor reboot (page 160)
Cloud Management Network configuration fails due to a timeout occurring while
creating associated virtual machines
Possible cause and recommendationSymptom
Occasionally there is not enough time for the Foundation appliance to
automatically create the Software Defined Network (SDN) controller and the
Tou see the message
Unable to setup
Cloud Management
three network node appliances within the time allocated by various timeout
values
network: Timed
out waiting for
...when you save
1. Retry the action by re-entering the Cloud Management Network settings and clicking OK
again. When you retry the configuration, the virtual machines are removed and recreated.
the Cloud
Management Network
It is often faster to create the virtual machines the second time because the images used to
create the virtual machines may not need to be copied.
configuration on the
Settings→Edit Cloud
2. If retrying right away does not work, wait until the the hypervisor, storage system, and
networks are less busy, then retry again.
Networking screen in
the CloudSystem
Console
3. Ensure that your hardware meets the requirements specified in the HP CloudSystem 8.0
Installation and Configuration Guide.
Software Defined Networking (SDN) issues
Possible cause and recommendationSymptom
SDN agents do not join the controller after restarting the network node when
the Cloud Management Network is unavailable
When the Cloud Management Network is unavailable, all communication among the
CloudSystem Foundation associated VMs and compute nodes is disrupted. If you try to restart
You cannot restart
SDN agents
Troubleshooting networks 155
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