[Storage API] Change behavior when you query an unknown ds. return {} -> Ignore only this ds
[Storage API] Change behavior when you query an unknown ds. return {} -> Ignore only this ds

redhat-cip/numeter,enovance/numeter,redhat-cip/numeter,redhat-cip/numeter,enovance/numeter,enovance/numeter,enovance/numeter,redhat-cip/numeter