== sanity test 413k: QoS mkdir exclude prefixes ========== 00:43:35 (1788842615)
lmv.lustre-clilmv-ffff9c8103724800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9c8103724800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9c8103724800.qos_exclude_prefixes=_temporary