== sanity test 413k: QoS mkdir exclude prefixes ========== 01:40:03 (1769064003)
lmv.lustre-clilmv-ffff8bf441879000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8bf441879000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8bf441879000.qos_exclude_prefixes=_temporary