== sanity test 413k: QoS mkdir exclude prefixes ========== 02:10:23 (1786428623)
lmv.lustre-clilmv-ffff9c24722dc000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9c24722dc000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9c24722dc000.qos_exclude_prefixes=_temporary