Comment 1 for bug 1947834

I did a quick search and nothing interesting showed up, so I think this could be related to any operation in the backend that cut the path to modify it or something. I've never seen something like this with LVM/NFS/RBD so far so definitely need more investigation.
```
/opt/stack/cinder$ git grep -n "\<volum\>"
cinder/tests/unit/volume/drivers/ibm/test_storwize_svc.py:8273:        # test volume is non hyperswap volume but volum type is hyper type```