== sanity test 413k: QoS mkdir exclude prefixes ========== 06:35:44 (1773743744)
lmv.lustre-clilmv-ffff8fb3884ad000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8fb3884ad000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8fb3884ad000.qos_exclude_prefixes=_temporary