== sanity test 413k: QoS mkdir exclude prefixes ========== 17:49:59 (1788472199)
lmv.lustre-clilmv-ffff8f3ade45d000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8f3ade45d000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8f3ade45d000.qos_exclude_prefixes=_temporary