volume was locked forever as "migration in progress"

##### ISSUE TYPE

* Bug Report

##### COMPONENT NAME

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VolumeManagemet,Migration
~~~

##### CLOUDSTACK VERSION

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4.18.1
~~~

##### CONFIGURATION

##### KVM iscsi(GFS2,PCS)

##### SUMMARY

##### STEPS TO REPRODUCE

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VM migration with storage migration between different clusters
~~~

##### EXPECTED RESULTS

~~~
VM runs on the destination KVM host
~~~

##### ACTUAL RESULTS

~~~
During the migration process, the source host encountered a problem and went down. After that, the volume that was being migrated is permanently locked as "Migrating" and cannot be operated on.
When I looked inside the ISCSI volume mounted on the destination host, I was able to confirm that the migration was completed.

I tried rewriting the SQL table, but the problem did not improve.
I would like to file this issue as a bug that occurs in certain situations.
~~~

Start with the VolumeManagemet and Migration components and reproduce VM storage migration between clusters with a source KVM host failure. Trace how the volume remains marked "Migrating" after the destination confirms completion. Done means the volume is recoverable and operable without manually rewriting the SQL table.

Written by the indexing model from the issue text.