Meta server: validate chunk server hello rack id, emit error message in the case if rack id is outside of the supported range, and mark rack id as undefined in order treat it as such consistently everywhere including meta server web UI.
Meta server: validate chunk server hello rack id, emit error message in the case if rack id is outside of the supported range, and mark rack id as undefined in order treat it as such consistently everywhere including meta server web UI.

quantcast/qfs,quantcast/qfs,quantcast/qfs,quantcast/qfs,quantcast/qfs,quantcast/qfs,quantcast/qfs,quantcast/qfs