== sanity test 413k: QoS mkdir exclude prefixes ========== 02:37:11 (1787380631)
lmv.lustre-clilmv-ffff8bb7ad62a000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8bb7ad62a000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8bb7ad62a000.qos_exclude_prefixes=_temporary