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2020-01-13 02:03:38 -0600 received badge  Notable Question (source)
2020-01-12 14:34:03 -0600 answered a question devstack instance gets stuck in unshelving mode

$ nova unshelve S3-1 ERROR (Conflict): Cannot 'unshelve' instance 6149b9cb-6211-4ee9-8ad0-fc4d55b90d48 while it is in task_state unshelving (HTTP 409) (Request-ID: req-12e3c077-18b1-4fe2-bc18-8ead9a3593f5). i do not want to delete it because it is a snapshot image for other instances. I just wanted to find a solution of re-instating it back to active status

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2020-01-09 17:29:30 -0600 asked a question devstack instance gets stuck in unshelving mode

Is there a way to get the instance out of the unshelding state if it gets stuck there for more than a day without completely deleting it?

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2019-08-17 04:29:19 -0600 commented question devstack vm instance ssh error message

for cirros the console works because there is an assigned password however for the ubuntu vm instance, there is no password so I can only go via ssh.

On the cirros instance, I was trying to check for ssh services but seems the cli is a bit different . I will check both console logs again to confirm

2019-08-16 10:38:16 -0600 commented question devstack vm instance ssh error message

Hi Bernd. yes OVNkey3 exits and permissions matching chmod 600

2019-08-16 09:33:10 -0600 asked a question devstack vm instance ssh error message

ssh: connect to host x.x.x.x port 22: Connection on refused

I get this error when i try to ssh from my devstack (using OVN) controller node towards my VM instances. I can ping the IPs but ssh is not successful.

ssh -i OVNkey3.pem ubuntu@x.x.x.x -v OpenSSH_7.6p1 Ubuntu-4ubuntu0.3, OpenSSL 1.0.2n 7 Dec 2017 debug1: Reading configuration data /etc/ssh/ssh_config debug1: /etc/ssh/ssh_config line 19: Applying options for * debug1: Connecting to x.x.x.x [x.x.x.x] port 22. debug1: Connection established. debug1: key_load_public: No such file or directory debug1: identity file OVNkey3.pem type -1 debug1: key_load_public: No such file or directory debug1: identity file OVNkey3.pem-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_7.6p1 Ubuntu-4ubuntu0.3 ssh_exchange_identification: read: Connection reset by peer

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2019-08-16 09:27:52 -0600 asked a question ssh error for vm instances

ssh: connect to host 10.102.0.136 port 22: Connection on refused

I get this error when i try to ssh from my devstack (using OVN) controller node towards my VM instances. I can ping the IPs but ssh is not successful.

ssh -i OVNkey3.pem ubuntu@x.x.x.x -v OpenSSH_7.6p1 Ubuntu-4ubuntu0.3, OpenSSL 1.0.2n 7 Dec 2017 debug1: Reading configuration data /etc/ssh/ssh_config debug1: /etc/ssh/ssh_config line 19: Applying options for * debug1: Connecting to x.x.x.x [x.x.x.x] port 22. debug1: Connection established. debug1: key_load_public: No such file or directory debug1: identity file OVNkey3.pem type -1 debug1: key_load_public: No such file or directory debug1: identity file OVNkey3.pem-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_7.6p1 Ubuntu-4ubuntu0.3 ssh_exchange_identification: read: Connection reset by peer

2019-07-29 11:01:59 -0600 commented answer Icehouse Openstack - Neutron error ; Connection refused on port 9696

Hi Vinoth, I got the same error when i tried to add the OVN plugin. What is the full format of the neutron db-sync command please?

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2019-07-29 09:25:59 -0600 commented answer manually restarting neutron server and agents after networking-ovn plugin installation error

Active: failed (Result: exit-code) since Mon 2019-07-29 13:23:19 UTC; 51min ago Process: 23687 ExecStart=/usr/local/bin/neutron-server --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugins/ml2/ml2_conf.ini (code=exited, statu Main PID: 23687 (code=exited, status=1/FAILUR

2019-07-28 14:43:14 -0600 commented answer manually restarting neutron server and agents after networking-ovn plugin installation error

Thanks Bernd. I will try it out.

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2019-07-26 09:24:01 -0600 commented answer manually restarting neutron server and agents after networking-ovn plugin installation error
2019-07-26 06:39:34 -0600 asked a question manually restarting neutron server and agents after networking-ovn plugin installation error

My neutron agents all disapperead and the compute nodes are showing enabled but service is down. How do i manually restart neutron services in devstack on Ubuntu (1 controller node, 2 compute nodes) error: ERROR: neutronclient.shell Auth plugin requires parameters which were not given: auth_url Traceback (most recent call last): ERROR: neutronclient.shell Unable to establish connection to http://x.x.x.x:9696/v2.0/networks: HTTPConnectionPool(host='x.x.x.x', port=9696): Max retries exceeded with url: /v2.0/networks (Caused by NewConnectionError('<urllib3.connection.httpconnection 0x7fecb8d51a10="" at="" object="">: Failed to establish a new connection: [Errno 111] Connection refused',))</urllib3.connection.httpconnection>

ConnectFailure: Unable to establish connection to http://x.x.x.x:9696/v2.0/networks: HTTPConnectionPool(host='x.x.x.x', port=9696): Max retries exceeded with url: /v2.0/networks (Caused by NewConnectionError('<urllib3.connection.httpconnection 0x7fecb8d51a10="" at="" object="">: Failed to establish a new connection: [Errno 111] Connection refused',)) Unable to establish connection to http://x.x.x.x:9696/v2.0/networks: HTTPConnectionPool(host='x.x.x.x', port=9696): Max retries exceeded with url: /v2.0/n etworks (Caused by NewConnectionError('<urllib3.connection.httpconnection 0x7fecb8d51a10="" at="" object="">: Failed to establish a new connection: [Errno 111] Connection refuse</urllib3.connection.httpconnection></urllib3.connection.httpconnection>

2019-07-22 01:58:53 -0600 asked a question setting-up OVN on a running/ existing openstack cloud

How do I configure or setup OVN on a running/ existing OpenStack cloud?

2019-07-12 03:27:09 -0600 commented answer resizing the hypervisor or compute host

I made the changes and on one cloud it worked. On the other cloud setup, I am getting this error message Message No valid host was found. Code 500 Details File "/usr/lib/python2.7/dist-packages/nova/conductor/manager.py", line 1145, in schedule_and_build_instances instance_uuids, return_alternates=T

2019-07-09 04:54:04 -0600 commented answer resizing the hypervisor or compute host

Thanks Vinoth. Still failing to access the particular file to make the changes.

Summary of the error message is below:

Error: Failed to perform requested operation on instance "sw8", the instance has an error status: Please try again later [Error: Exceeded maximum number of retries. Exhausted all

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2019-07-04 17:27:17 -0600 commented question resizing the hypervisor or compute host

When i try to add a VM instance beyond the 3rd instance, i get an error and it does not start up (never gets launched)

2019-07-04 17:27:17 -0600 commented question resizing the hypervisor or compute host

The communicate with each other means that if I ping from one vm instance on an openstack cloud on workstation -A to another instance on another openstack cloud on workstation B, all shhould be ok.

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2019-07-03 09:25:25 -0600 commented question resizing the hypervisor or compute host

This is why I would like to adjust the values or add a new compute host. This will require the two compute nodes OpenStack instances to communicate with each other- not sure this is possible in "Stein"

2019-07-03 09:25:25 -0600 commented question resizing the hypervisor or compute host

Thanks Bernd for the feedback. I failed to upload because of the >10 points limit. However it was the hypervisors and compute host utilisation. It seems to be picking the details from my lab workstation specs but only for the CPUs and RAM. As for the storage it pics some lower value.

2019-07-02 16:57:53 -0600 asked a question resizing the hypervisor or compute host

how to resize an openstack hypervisor or compute host on a live OpenStack cloud. especially for vCPUs. because beyond what my host hardware can give (4 cpus) i am failing to launch any further instances. see caption attached for usage.

2019-04-27 06:14:22 -0600 commented answer Are there specific images for lxd containers and others for virtual machines that can be spawned in the same Openstack Instance?

Thanks @Bernd. Would it be possible to add another compute node with a different hypervisor on an existing OpenStack cloud then? how exactly then can install a specific nova instance as a container (linux container) and a VM. The instance only shows the hypervisor type

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2019-04-25 10:23:11 -0600 asked a question Are there specific images for lxd containers and others for virtual machines that can be spawned in the same Openstack Instance?

REF: Are there specific images for lxd containers and others for virtual machines that can be spawned in the same Openstack Instance?

Are there specific images for linux containers instances running on lxd hypervisor and specific Virtual machine images that can also be spawned within OpenStack using the lxd hypervisor? Or is the end result of the instance based on the specific openStack setup and associated hypervisor?

I launched instances using some images but I have no way of clearly differentiating that a given image or instance is an lxd container or a typical VM. Thanks.