Troubleshooting (Self-Service)

This small guide will help you investigate your virtual resources on the nSC. It provides step-by-step troubleshooting advice.

Troubleshooting Guide: Compute

Check compute state of VMs in Horizon Action Log or by API

In Horizon you can check the status logs of instances by clicking on “Instances”, selecting your instance, and clicking on “Action Log”. You can also check this via command line with:

openstack server event list 515f0424-215a-4aec-b75f-56b4e7667192

+------------------------------------------+--------------------------------------+----------------+----------------------------+
| Request ID                               | Server ID                            | Action         | Start Time                 |
+------------------------------------------+--------------------------------------+----------------+----------------------------+
| req-9c3906cf-0875-4518-98b2-199b3dcc1cfc | 515f0424-215a-4aec-b75f-56b4e7667192 | start          | 2024-08-05T08:27:20.000000 |
| req-fe01eb90-ef3d-425a-bfca-8ce714230dc4 | 515f0424-215a-4aec-b75f-56b4e7667192 | stop           | 2024-08-05T07:49:08.000000 |
| req-0b46174a-c279-4d8d-9103-91008190dcc8 | 515f0424-215a-4aec-b75f-56b4e7667192 | live-migration | 2024-08-05T07:21:15.000000 |
| req-5f276b06-df11-4d74-99c1-8e2cb12db39c | 515f0424-215a-4aec-b75f-56b4e7667192 | live-migration | 2024-08-05T07:01:02.000000 |
| req-3cd03a99-a794-4bc6-a031-f616cc679d06 | 515f0424-215a-4aec-b75f-56b4e7667192 | create         | 2024-06-18T06:11:39.000000 |
+------------------------------------------+--------------------------------------+----------------+----------------------------+

Console log for instances by Horizon or API

In Horizon you can check the console output of virtual machines by clicking on “Instances”, selecting your instance, and clicking on “Console Log”. You can also check this via command line with:

openstack console log show <instance-id> ...

   OK  Started chrony, an NTP client/server
   OK  Reached target System Time Synchronized
   OK  Started Daily apt download activities
   OK  Started Daily apt upgrade and clean activities
   OK  Started Daily dpkg database backup timer
   OK  Started Periodic ext4 Online data Check for All Filesystems
   OK  Started Discard unused blocks once a week
   OK  Started Daily rotation of log files
   OK  Started Daily man-db regeneration
   OK  Started Message of the Day
   OK  Started containerd container runtime

  webserver-001 login:

Troubleshooting Guide: IAM

You can check the identity and access management logs in the IAM web frontend.

In the IAM web frontend, on the right side, you can find the “Last Changes” section. It shows all changes and actions made to your users and to your organisation.