== sanity test 413k: QoS mkdir exclude prefixes ========== 21:53:55 (1784944435)
lmv.lustre-clilmv-ffff90e7f2270000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff90e7f2270000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff90e7f2270000.qos_exclude_prefixes=_temporary