== sanity test 413k: QoS mkdir exclude prefixes ========== 18:10:43 (1786486243)
lmv.lustre-clilmv-ffff8bf8a6c2d000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8bf8a6c2d000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8bf8a6c2d000.qos_exclude_prefixes=_temporary