== sanity test 413k: QoS mkdir exclude prefixes ========== 04:50:03 (1752483003)
lmv.lustre-clilmv-ffff8a33d260b000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8a33d260b000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8a33d260b000.qos_exclude_prefixes=_temporary