== sanity test 413k: QoS mkdir exclude prefixes ========== 18:44:52 (1748472292)
lmv.lustre-clilmv-ffff8800a4737800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8800a4737800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8800a4737800.qos_exclude_prefixes=_temporary