/var/lib/cloud/data
NameSizeModeActions
instance-id100644editdlrm
previous-datasource470644editdlrm
previous-hostname130644editdlrm
previous-instance-id100644editdlrm
result.json730644editdlrm
set-hostname570644editdlrm
status.json5790644editdlrm
Edit: /var/lib/cloud/data/previous-hostname (13B)
qavel-host01