== sanity test 413k: QoS mkdir exclude prefixes ========== 01:24:39 (1763879079)
lmv.lustre-clilmv-ffff95fb98d8d000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff95fb98d8d000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff95fb98d8d000.qos_exclude_prefixes=_temporary