== sanity test 413k: QoS mkdir exclude prefixes ========== 13:20:47 (1787851247)
lmv.lustre-clilmv-ffff89e650b41000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff89e650b41000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff89e650b41000.qos_exclude_prefixes=_temporary