Check that OpenCAS does not accepts twice the same device as core.
Update code in file.
Signed-off-by: Slawomir Jankowski <slawomir.jankowski@intel.com>
Try load cache with core device already mounted.
OpenCAS prevents stop when partition is mounted.
Check if used in one CAS instance core device can be added to second CAS instance.
Signed-off-by: Slawomir_Jankowski <slawomir.jankowski@intel.com>