== sanity test 413k: QoS mkdir exclude prefixes ========== 00:57:28 (1782536248)
lmv.lustre-clilmv-ffff94442ddfd800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff94442ddfd800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff94442ddfd800.qos_exclude_prefixes=_temporary