== sanity test 413k: QoS mkdir exclude prefixes ========== 19:05:12 (1781219112)
lmv.lustre-clilmv-ffff907e4eb59800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff907e4eb59800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff907e4eb59800.qos_exclude_prefixes=_temporary