== sanity test 413k: QoS mkdir exclude prefixes ========== 01:31:59 (1786944719)
lmv.lustre-clilmv-ffff8bf783fe3000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8bf783fe3000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8bf783fe3000.qos_exclude_prefixes=_temporary