== sanity test 413k: QoS mkdir exclude prefixes ========== 17:57:34 (1777586254)
lmv.lustre-clilmv-ffff88a8c0769000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff88a8c0769000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff88a8c0769000.qos_exclude_prefixes=_temporary