== sanity test 413k: QoS mkdir exclude prefixes ========== 11:17:46 (1753370266)
lmv.lustre-clilmv-ffff9d0920be3000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9d0920be3000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9d0920be3000.qos_exclude_prefixes=_temporary