== sanity test 413k: QoS mkdir exclude prefixes ========== 15:05:47 (1767729947)
lmv.lustre-clilmv-ffff8f18ab7bb800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8f18ab7bb800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8f18ab7bb800.qos_exclude_prefixes=_temporary