== sanity test 413k: QoS mkdir exclude prefixes ========== 13:40:54 (1763491254)
lmv.lustre-clilmv-ffff9aae809d9000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9aae809d9000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9aae809d9000.qos_exclude_prefixes=_temporary