== sanity test 413k: QoS mkdir exclude prefixes ========== 08:43:33 (1775047413)
lmv.lustre-clilmv-ffff949984e83800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff949984e83800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff949984e83800.qos_exclude_prefixes=_temporary