Containers: vm unreachable for minutes after live migration or vm reboot
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
StarlingX |
Invalid
|
Medium
|
Joseph Richard |
Bug Description
Brief Description
-----------------
vm cannot be reached for minutes after live migration or reboot
Severity
--------
Major
Steps to Reproduce
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1. Launch a vm, ensure it's reachable from external
2. Live migrate the vm
3. Soft reboot or cold migrate the vm
Expected Behavior
------------------
2. Networking outage for vm during live migration should be very short, seconds the most.
3. VM should be reachable shortly after reboot completes.
Actual Behavior
----------------
2. VM is unreachable for a few minutes
3. After reboot completes, it could take more than 5 minutes for the vm to get an IP again. Once vm got an IP, it becomes reachable fairly quickly.
Reproducibility
---------------
Reproducible
System Configuration
-------
Dedicated storage
Branch/Pull Time/Commit
-------
f/stein as of 2019-02-16
Timestamp/Logs
--------------
# Cold migrate:
[2019-02-27 21:34:23,886] 262 DEBUG MainThread ssh.send :: Send 'nova --os-username 'admin' --os-password 'Li69nux*' --os-project-name admin --os-auth-url http://
[2019-02-27 21:35:08,159] 262 DEBUG MainThread ssh.send :: Send 'nova --os-username 'admin' --os-password 'Li69nux*' --os-project-name admin --os-auth-url http://
# Live migrate:
[2019-02-27 21:41:53,883] 262 DEBUG MainThread ssh.send :: Send 'nova --os-username 'admin' --os-password 'Li69nux*' --os-project-name admin --os-auth-url http://
tags: |
added: stx.2.0 removed: stx.2019.05 |
tags: | added: stx.retestneeded |
tags: | removed: stx.containers |
tags: | added: stx.regression |
tags: | removed: stx.retestneeded |
Marking as release gating; possibly a neutron or vswitch issue. Needs further investigation.