== sanity test 413k: QoS mkdir exclude prefixes ========== 09:54:57 (1788357297)
lmv.lustre-clilmv-ffff9106c2e59800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9106c2e59800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9106c2e59800.qos_exclude_prefixes=_temporary