== sanity test 413k: QoS mkdir exclude prefixes ========== 18:10:46 (1788473446)
lmv.lustre-clilmv-ffff8c2dd33ba000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8c2dd33ba000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8c2dd33ba000.qos_exclude_prefixes=_temporary