== sanity test 413k: QoS mkdir exclude prefixes ========== 10:38:28 (1787755108)
lmv.lustre-clilmv-ffff9bbfd9c21000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9bbfd9c21000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9bbfd9c21000.qos_exclude_prefixes=_temporary