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The migration of a virtual machine usually requires a downtime (~ 15') of that VM, so before proceeding unless the VM was created using a volume. So before migrating the VM you must agree this operation with the relevant owner.
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| Code Block |
|---|
[root@cld-ctrl-01 ~]# openstack server show be832766-7996-4ccf-a9c1-5eec2e5f8fd3 | grep user_id
| user_id | 7681252c430040e7bb96c7c4f7c88464 |
[root@cld-ctrl-01 ~]# openstack user show 7681252c430040e7bb96c7c4f7c88464
+---------------------+----------------------------------+
| Field | Value |
+---------------------+----------------------------------+
| domain_id | default |
| email | Ysabella.Ong@lnl.infn.it |
| enabled | True |
| id | 7681252c430040e7bb96c7c4f7c88464 |
| name | ysaong@infn.it |
| options | {} |
| password_expires_at | None |
+---------------------+----------------------------------+
|
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To migrate a virtual machine to another compute node, there are two possible procedures:
- Procedure to be used if the VM was created using a volume
- Procedure to be used i
- Install the operating system using foreman. For this use the hosts_all foreman hostgroup
- Disable SELinux
- Configure the management and data network
- Stop puppet:
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