== sanity test 413k: QoS mkdir exclude prefixes ========== 02:28:48 (1786343328)
lmv.lustre-clilmv-ffff93abf0931000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff93abf0931000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff93abf0931000.qos_exclude_prefixes=_temporary