== sanity test 413k: QoS mkdir exclude prefixes ========== 21:41:07 (1743212467)
lmv.lustre-clilmv-ffff88012a5b4000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff88012a5b4000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff88012a5b4000.qos_exclude_prefixes=_temporary