== sanity test 413k: QoS mkdir exclude prefixes ========== 14:48:34 (1767037714)
lmv.lustre-clilmv-ffff9a17c7db0000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9a17c7db0000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9a17c7db0000.qos_exclude_prefixes=_temporary