== sanity test 413k: QoS mkdir exclude prefixes ========== 02:38:13 (1783147093)
lmv.lustre-clilmv-ffff8fa68924a000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8fa68924a000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8fa68924a000.qos_exclude_prefixes=_temporary