== sanity test 413k: QoS mkdir exclude prefixes ========== 03:14:46 (1761290086)
lmv.lustre-clilmv-ffff896cd90cf000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff896cd90cf000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff896cd90cf000.qos_exclude_prefixes=_temporary