== sanity test 413k: QoS mkdir exclude prefixes ========== 03:47:29 (1753429649)
lmv.lustre-clilmv-ffffa03f469bf000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffffa03f469bf000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffffa03f469bf000.qos_exclude_prefixes=_temporary