Public bug reported:
During live migration with attached volume, instance is moved to ERROR
state and stuck in task state Migrating when cinder client exception is
thrown.
Steps:
1. Create a nova instance
2. Attach a cinder volume
3. Raise cinderclient exception in initialize_connection() in
nova/volume/cinder.py
4. Live migrate instance to other compute node (on a shared storage setup)
Result:
* ERROR (ClientException): Unexpected API Error. Please report this at
http://bugs.launchpad.net/nova/ and attach the Nova API log if
possible.
* And instance changes to unrecoverable ERROR state and stuck in
migrating task state.
Error message is expected but instance changing into unrecoverable ERROR
state should be fixed in my opinion. It has to roll back instead of
moving to ERROR state.
** Affects: nova
Importance: Undecided
Status: New
** Tags: live-migration
** Attachment added: "LM-cinderclient-exception.txt"
https://bugs.launchpad.net/bugs/1544744/+attachment/4569617/+files/LM-cinderclient-exception.txt
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https://bugs.launchpad.net/bugs/1544744
Title:
Live migration with attached volume results in ERROR state and fails
to rollback when cinder client exception is thrown
Status in OpenStack Compute (nova):
New
Bug description:
During live migration with attached volume, instance is moved to ERROR
state and stuck in task state Migrating when cinder client exception
is thrown.
Steps:
1. Create a nova instance
2. Attach a cinder volume
3. Raise cinderclient exception in initialize_connection() in
nova/volume/cinder.py
4. Live migrate instance to other compute node (on a shared storage setup)
Result:
* ERROR (ClientException): Unexpected API Error. Please report this at
http://bugs.launchpad.net/nova/ and attach the Nova API log if
possible.
* And instance changes to unrecoverable ERROR state and stuck in
migrating task state.
Error message is expected but instance changing into unrecoverable
ERROR state should be fixed in my opinion. It has to roll back instead
of moving to ERROR state.
To manage notifications about this bug go to:
https://bugs.launchpad.net/nova/+bug/1544744/+subscriptions
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