== sanity test 413k: QoS mkdir exclude prefixes ========== 12:56:01 (1779209761)
lmv.lustre-clilmv-ffff959a0a553000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff959a0a553000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff959a0a553000.qos_exclude_prefixes=_temporary