NetApp doesn't update the backend LUN name during generic migration

Bug #2042662 reported by Rajat Dhasmana
This bug affects 1 person
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Bug Description

Scenario: Using NetApp iSCSI backend, try to migrate a volume from one NetApp host to another.

Since NetApp doesn't support driver assisted migration, we end up doing a generic migration in which case we create a temporary volume in the destination host, transfer data and update the new volume properties same as the original volume (id, metadata, attachements etc)

NetApp creates a file on the backend with the temporary volume's name (volume-<id>) and never updates it to the source volume's name.

Cinder calls update_migrated_volume method of the driver to allow the driver to update the name but NetApp driver doesn't implement it.

We can reproduce this by migrating a netapp volume and checking the provider location.


Instead it should be,


We need to do something like the lvm driver which renames the volume after migration.

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