== sanity test 413k: QoS mkdir exclude prefixes ========== 20:29:27 (1788913767)
lmv.lustre-clilmv-ffff8cc486aa9000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8cc486aa9000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8cc486aa9000.qos_exclude_prefixes=_temporary