== sanity test 413k: QoS mkdir exclude prefixes ========== 20:33:33 (1763343213)
lmv.lustre-clilmv-ffff960a400d6000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff960a400d6000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff960a400d6000.qos_exclude_prefixes=_temporary