== sanity test 413k: QoS mkdir exclude prefixes ========== 09:12:28 (1789132348)
lmv.lustre-clilmv-ffff99f9c9723000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff99f9c9723000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff99f9c9723000.qos_exclude_prefixes=_temporary