== sanity test 413k: QoS mkdir exclude prefixes ========== 23:47:26 (1787716046)
lmv.lustre-clilmv-ffff96574455c800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff96574455c800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff96574455c800.qos_exclude_prefixes=_temporary