== sanity test 413k: QoS mkdir exclude prefixes ========== 02:09:12 (1783145352)
lmv.lustre-clilmv-ffff893d886a0000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff893d886a0000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff893d886a0000.qos_exclude_prefixes=_temporary