== sanity test 413k: QoS mkdir exclude prefixes ========== 03:13:26 (1761290006)
lmv.lustre-clilmv-ffff8e3a9fce3000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8e3a9fce3000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8e3a9fce3000.qos_exclude_prefixes=_temporary