== sanity test 413k: QoS mkdir exclude prefixes ========== 13:27:34 (1722792454)
lmv.lustre-clilmv-ffff8800ac98a000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8800ac98a000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8800ac98a000.qos_exclude_prefixes=_temporary