== sanity test 413k: QoS mkdir exclude prefixes ========== 02:53:06 (1787122386)
lmv.lustre-clilmv-ffff95e5f817b800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff95e5f817b800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff95e5f817b800.qos_exclude_prefixes=_temporary