== sanity test 413k: QoS mkdir exclude prefixes ========== 02:54:35 (1788591275)
lmv.lustre-clilmv-ffff8b0e5283e800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8b0e5283e800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8b0e5283e800.qos_exclude_prefixes=_temporary