== sanity test 413k: QoS mkdir exclude prefixes ========== 23:45:14 (1761104714)
lmv.lustre-clilmv-ffff9a34eb5d2000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9a34eb5d2000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9a34eb5d2000.qos_exclude_prefixes=_temporary