== sanity test 413k: QoS mkdir exclude prefixes ========== 22:11:56 (1778292716)
lmv.lustre-clilmv-ffff9a4a73d9b800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9a4a73d9b800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9a4a73d9b800.qos_exclude_prefixes=_temporary