only do multi-mode cluster checks/inits when mode is multi
only do multi-mode cluster checks/inits when mode is multi

raintank/raintank-metric,raintank/metrictank,replay/metrictank,replay/metrictank,replay/metrictank,raintank/metrictank,raintank/metrictank,raintank/raintank-metric,replay/metrictank,raintank/raintank-metric,raintank/metrictank