== sanity test 413k: QoS mkdir exclude prefixes ========== 10:25:08 (1773239108)
lmv.lustre-clilmv-ffff8a1cf4df6800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8a1cf4df6800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8a1cf4df6800.qos_exclude_prefixes=_temporary