== sanity test 413k: QoS mkdir exclude prefixes ========== 17:22:49 (1784236969)
lmv.lustre-clilmv-ffff95d5e9929000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff95d5e9929000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff95d5e9929000.qos_exclude_prefixes=_temporary