== sanity test 413k: QoS mkdir exclude prefixes ========== 10:46:32 (1749480392)
lmv.lustre-clilmv-ffff8800b3fe4800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8800b3fe4800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8800b3fe4800.qos_exclude_prefixes=_temporary