== sanity test 413k: QoS mkdir exclude prefixes ========== 09:34:22 (1788356062)
lmv.lustre-clilmv-ffff8cc06161b000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8cc06161b000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8cc06161b000.qos_exclude_prefixes=_temporary