== sanity test 413k: QoS mkdir exclude prefixes ========== 00:38:37 (1789274317)
lmv.lustre-clilmv-ffff8dc1a9ac3000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8dc1a9ac3000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8dc1a9ac3000.qos_exclude_prefixes=_temporary