== sanity test 413k: QoS mkdir exclude prefixes ========== 15:56:33 (1758743793)
lmv.lustre-clilmv-ffff95da21b6d000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff95da21b6d000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff95da21b6d000.qos_exclude_prefixes=_temporary