** Changed in: nova
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1241350
Title:
VMware: Detaching a volume from an instance also deletes the volume's
backing vmdk (ESXDriver only)
Status in OpenStack Compute (Nova):
Fix Released
Bug description:
I found that when I run:
% nova volume-detach my_instance c54ad11f-4e51-41a0-97db-7e551776db59
where the volume with given id is currently attached to my running
instance named my_instance, the operation completes successfully.
Nevertheless a subsequent attach of the same volume again will fail.
So:
% nova volume-attach my_instance c54ad11f-4e51-41a0-97db-7e551776db59
/dev/sdb
fails with the error that the volume's vmdk file is not found.
Cause:
During volume detach a delete_virtual_disk_spec is used to remove the
device from the running instance. This spec also "destroy"s the
underlying vmdk file. The offending line is :
https://github.com/openstack/nova/blob/master/nova/virt/vmwareapi/vm_util.py#L471
Possible fix:
The fileOperation field of the device config during this reconfigure
operation should be left unset. We should continue setting
device_config.operation field to "remove". This will remove the device from the
VM without deleting the underlying vmdk backing.
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