== sanity test 413k: QoS mkdir exclude prefixes ========== 17:44:56 (1780091096)
lmv.lustre-clilmv-ffff8c1020b40800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8c1020b40800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8c1020b40800.qos_exclude_prefixes=_temporary