== sanity test 413k: QoS mkdir exclude prefixes ========== 03:51:54 (1787039514)
lmv.lustre-clilmv-ffff9a0b51ab0800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9a0b51ab0800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9a0b51ab0800.qos_exclude_prefixes=_temporary