== sanity test 413k: QoS mkdir exclude prefixes ========== 21:18:56 (1777425536)
lmv.lustre-clilmv-ffff9a9059c32000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9a9059c32000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9a9059c32000.qos_exclude_prefixes=_temporary