== sanity test 413k: QoS mkdir exclude prefixes ========== 12:58:53 (1788627533)
lmv.lustre-clilmv-ffff92f91eb1f000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff92f91eb1f000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff92f91eb1f000.qos_exclude_prefixes=_temporary