== sanity test 413k: QoS mkdir exclude prefixes ========== 17:52:40 (1786657960)
lmv.lustre-clilmv-ffff8bc3ac0ce000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8bc3ac0ce000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8bc3ac0ce000.qos_exclude_prefixes=_temporary