== sanity test 413k: QoS mkdir exclude prefixes ========== 07:11:07 (1788520267)
lmv.lustre-clilmv-ffff9ce0dc4ce000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9ce0dc4ce000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9ce0dc4ce000.qos_exclude_prefixes=_temporary