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2015-01-13 11:32:33 +0200 asked a question Error: Failed to launch instance "test": Please try again later [Error: No valid host was found. ].

Hi

I have two physical machines, One with Devstack deployment and another with Hyper-v. I have deployed Nova using Cloudbase: http://www.cloudbase.it/openstack/ope... When I try to spawn an instance named "test" I am getting the error :

Error: Failed to launch instance "test": Please try again later [Error: No valid host was found. ].

I have followed the following steps to create the instance (I would be better if I could explain it with screenshots, but anyway)

1) First I downloaded a mini ISO image of ubuntu.

2) Uploaded the image in openstack as VHD format. It uploaded successfully.

3) Next I clicked on the "Launch" button and it began to create an instance "test" (Flavor selected "m1.tiny")

4) Next on Instance page the task appeared as "Scheduling" and a success message appeared as "Success: Launched instance named "test" ".

5) Next, the task shifted to "Spawing", and after that, it ended in an error, flashing the above message, and the Status is set as "Error".

the log file in /var/log/nova/nova-compute.log contained the following error log:

2015-01-13 02:59:58.758 4106 AUDIT nova.compute.resource_tracker [-] Auditing locally available compute resources

2015-01-13 02:59:59.003 4106 AUDIT nova.compute.resource_tracker [-] Total physical ram (MB): 1841, total allocated virtual ram (MB): 512

2015-01-13 02:59:59.003 4106 AUDIT nova.compute.resource_tracker [-] Free disk (GB): 26

2015-01-13 02:59:59.004 4106 AUDIT nova.compute.resource_tracker [-] Total usable vcpus: 1, total allocated vcpus: 0

2015-01-13 02:59:59.004 4106 AUDIT nova.compute.resource_tracker [-] PCI stats: []

2015-01-13 02:59:59.004 4106 INFO nova.compute.resourcetracker [-] Computeservice record updated for localhost.localdomain:localhost.localdomain

2015-01-13 03:00:15.595 4106 AUDIT nova.compute.manager [req-e458f80c-f53b-40b6-88ee-1ecfa8be66c8 None] [instance: 5d2580c2-5f29-4a46-a7b3-d757ffd48de7] Starting instance...

2015-01-13 03:00:15.789 4106 WARNING nova.compute.resource_tracker [-] [instance: 5d2580c2-5f29-4a46-a7b3-d757ffd48de7] Host field should not be set on the instance until resources have been claimed.

2015-01-13 03:00:15.790 4106 WARNING nova.compute.resource_tracker [-] [instance: 5d2580c2-5f29-4a46-a7b3-d757ffd48de7] Node field should not be set on the instance until resources have been claimed.

2015-01-13 03:00:15.799 4106 AUDIT nova.compute.claims [-] [instance: 5d2580c2-5f29-4a46-a7b3-d757ffd48de7] Attempting claim: memory 512 MB, disk 1 GB

2015-01-13 03:00:15.800 4106 AUDIT nova.compute.claims [-] [instance: 5d2580c2-5f29-4a46-a7b3-d757ffd48de7] Total memory: 1841 MB, used: 512.00 MB

2015-01-13 03:00:15.800 4106 AUDIT nova.compute.claims [-] [instance: 5d2580c2-5f29-4a46-a7b3-d757ffd48de7] memory limit: 2761.50 MB, free: 2249.50 MB

2015-01-13 03:00:15.800 4106 AUDIT nova.compute.claims [-] [instance: 5d2580c2-5f29-4a46-a7b3-d757ffd48de7] Total disk: 26 GB, used: 0.00 GB

2015-01-13 03:00:15.800 4106 AUDIT nova.compute.claims [-] [instance: 5d2580c2-5f29-4a46-a7b3-d757ffd48de7] disk limit not specified, defaulting to unlimited

2015-01-13 03:00:15.871 4106 AUDIT nova.compute.claims [-] [instance: 5d2580c2-5f29-4a46-a7b3-d757ffd48de7] Claim successful

2015-01-13 03:00:16.371 4106 INFO nova.scheduler.client.report [-] Compute_service record updated for ('localhost.localdomain', 'localhost.localdomain')

2015-01-13 03:00:17.062 4106 INFO nova.virt.libvirt.driver [-] [instance: 5d2580c2-5f29-4a46-a7b3-d757ffd48de7] Creating image

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2014-12-26 16:16:18 +0200 commented answer Openstack nova compute is terminating unexpectadly.

Hi I have the same path as you have posted and I executed the command , but it is returning this one line only. 'Failed to create process.'

2014-12-23 16:31:31 +0200 commented answer Openstack nova compute is terminating unexpectadly.

The folder C:\OpenStack\Logs is empty :(

2014-12-23 15:59:20 +0200 commented answer Openstack nova compute is terminating unexpectadly.

The folder C:\OpenStack\Logs is empty :(

2014-12-23 15:24:32 +0200 asked a question Openstack nova compute is terminating unexpectadly.

I have installed openstack Hyper-V nova compute with HyperVNovaComputeJuno201421.msi in my windows server 2012 R2 Hyper-V enabled machine. The installer worked fine and finished successfully. But whenever I am trying to start the nova service with 'net start nova-compute' command. It is giving the following error :

The OpenStack Nova Compute Service service is starting.. The OpenStack Nova Compute Service service could not be started.

A system error has occured.

System error 1067 has occured.

The process terminated unexpectadly.

What am I doing wrong?

Any Help is appreciated. Thanks in Advance.

Solved!!!!!

I don't know if this was the actual reason, but in my first installation, my parameters were wrong. But on subsequent installation the error persisted even for correct parameters. So I uninstalled my OS itself, installed a fresh one and installed the Nova carefully with all the correct parameters, and voila!!!! it started alright.

I know it is not so neat, but anyway.

Thanks