== sanity test 413k: QoS mkdir exclude prefixes ========== 10:48:43 (1787323723)
lmv.lustre-clilmv-ffff8ca04618c000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8ca04618c000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8ca04618c000.qos_exclude_prefixes=_temporary