== sanity test 413k: QoS mkdir exclude prefixes ========== 11:42:16 (1776872536)
lmv.lustre-clilmv-ffffa071b84cd000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffffa071b84cd000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffffa071b84cd000.qos_exclude_prefixes=_temporary