== sanity test 413k: QoS mkdir exclude prefixes ========== 06:15:49 (1784283349)
lmv.lustre-clilmv-ffff91925a6d6800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff91925a6d6800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff91925a6d6800.qos_exclude_prefixes=_temporary