== sanity test 413k: QoS mkdir exclude prefixes ========== 21:49:37 (1777427377)
lmv.lustre-clilmv-ffff8f7b50d77000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8f7b50d77000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8f7b50d77000.qos_exclude_prefixes=_temporary