== sanity test 413k: QoS mkdir exclude prefixes ========== 17:57:29 (1764111449)
lmv.lustre-clilmv-ffff89dc2a9b3000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff89dc2a9b3000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff89dc2a9b3000.qos_exclude_prefixes=_temporary