7.4 KiB
Troubleshooting
Once all the services are running and configured properly, and a node
has been enrolled with the Bare Metal service and is in the
available provision state, the Compute service should
detect the node as an available resource and expose it to the
scheduler.
Note
There is a delay, and it may take up to a minute (one periodic task cycle) for the Compute service to recognize any changes in the Bare Metal service's resources (both additions and deletions).
In addition to watching nova-compute log files, you can
see the available resources by looking at the list of Compute
hypervisors. The resources reported therein should match the bare metal
node properties, and the Compute service flavor.
Here is an example set of commands to compare the resources in Compute service and Bare Metal service:
$ ironic node-list
+--------------------------------------+---------------+-------------+--------------------+-------------+
| UUID | Instance UUID | Power State | Provisioning State | Maintenance |
+--------------------------------------+---------------+-------------+--------------------+-------------+
| 86a2b1bb-8b29-4964-a817-f90031debddb | None | power off | available | False |
+--------------------------------------+---------------+-------------+--------------------+-------------+
$ ironic node-show 86a2b1bb-8b29-4964-a817-f90031debddb
+------------------------+----------------------------------------------------------------------+
| Property | Value |
+------------------------+----------------------------------------------------------------------+
| instance_uuid | None |
| properties | {u'memory_mb': u'1024', u'cpu_arch': u'x86_64', u'local_gb': u'10', |
| | u'cpus': u'1'} |
| maintenance | False |
| driver_info | { [SNIP] } |
| extra | {} |
| last_error | None |
| created_at | 2014-11-20T23:57:03+00:00 |
| target_provision_state | None |
| driver | pxe_ipmitool |
| updated_at | 2014-11-21T00:47:34+00:00 |
| instance_info | {} |
| chassis_uuid | 7b49bbc5-2eb7-4269-b6ea-3f1a51448a59 |
| provision_state | available |
| reservation | None |
| power_state | power off |
| console_enabled | False |
| uuid | 86a2b1bb-8b29-4964-a817-f90031debddb |
+------------------------+----------------------------------------------------------------------+
$ nova hypervisor-show 1
+-------------------------+--------------------------------------+
| Property | Value |
+-------------------------+--------------------------------------+
| cpu_info | baremetal cpu |
| current_workload | 0 |
| disk_available_least | - |
| free_disk_gb | 10 |
| free_ram_mb | 1024 |
| host_ip | [ SNIP ] |
| hypervisor_hostname | 86a2b1bb-8b29-4964-a817-f90031debddb |
| hypervisor_type | ironic |
| hypervisor_version | 1 |
| id | 1 |
| local_gb | 10 |
| local_gb_used | 0 |
| memory_mb | 1024 |
| memory_mb_used | 0 |
| running_vms | 0 |
| service_disabled_reason | - |
| service_host | my-test-host |
| service_id | 6 |
| state | up |
| status | enabled |
| vcpus | 1 |
| vcpus_used | 0 |
+-------------------------+--------------------------------------+Maintenance mode
Maintenance mode may be used if you need to take a node out of the resource pool. Putting a node in maintenance mode will prevent Bare Metal service from executing periodic tasks associated with the node. This will also prevent Compute service from placing a tenant instance on the node by not exposing the node to the nova scheduler. Nodes can be placed into maintenance mode with the following command. :
$ ironic node-set-maintenance $NODE_UUID onAs of the Kilo release, a maintenance reason may be included with the
optional --reason command line option. This is a free form
text field that will be displayed in the maintenance_reason
section of the node-show command. :
$ ironic node-set-maintenance $UUID on --reason "Need to add ram."
$ ironic node-show $UUID
+------------------------+--------------------------------------+
| Property | Value |
+------------------------+--------------------------------------+
| target_power_state | None |
| extra | {} |
| last_error | None |
| updated_at | 2015-04-27T15:43:58+00:00 |
| maintenance_reason | Need to add ram. |
| ... | ... |
| maintenance | True |
| ... | ... |
+------------------------+--------------------------------------+To remove maintenance mode and clear any
maintenance_reason use the following command. :
$ ironic node-set-maintenance $NODE_UUID off