== sanity test 413k: QoS mkdir exclude prefixes ========== 08:12:39 (1782735159)
lmv.lustre-clilmv-ffff8919c53df800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8919c53df800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8919c53df800.qos_exclude_prefixes=_temporary