== sanity test 413k: QoS mkdir exclude prefixes ========== 12:52:38 (1787590358)
lmv.lustre-clilmv-ffff88a3037fe800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff88a3037fe800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff88a3037fe800.qos_exclude_prefixes=_temporary