== sanity test 413k: QoS mkdir exclude prefixes ========== 10:32:39 (1770651159)
lmv.lustre-clilmv-ffff933098356800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff933098356800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff933098356800.qos_exclude_prefixes=_temporary