== sanity test 413k: QoS mkdir exclude prefixes ========== 20:12:54 (1763341974)
lmv.lustre-clilmv-ffff904107d6b000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff904107d6b000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff904107d6b000.qos_exclude_prefixes=_temporary