== sanity test 413k: QoS mkdir exclude prefixes ========== 15:34:30 (1784230470)
lmv.lustre-clilmv-ffff92d027e52000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff92d027e52000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff92d027e52000.qos_exclude_prefixes=_temporary