== sanity test 413k: QoS mkdir exclude prefixes ========== 13:52:55 (1772909575)
lmv.lustre-clilmv-ffff8c7189a82000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8c7189a82000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8c7189a82000.qos_exclude_prefixes=_temporary