== sanity test 413k: QoS mkdir exclude prefixes ========== 12:44:34 (1786985074)
lmv.lustre-clilmv-ffff8f4fe0b0f800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8f4fe0b0f800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8f4fe0b0f800.qos_exclude_prefixes=_temporary