(ceph) rbd mapで missing required protocol features

rbd mapで

 feature set mismatch, my 106b84a842a42 < server's 40106b84a842a42, missing 400000000000000
 missing required protocol features

となったら

ceph osd crush tunables hammer

結果の確認は

ceph osd crush show-tunables 

で

{
    "choose_local_tries": 0,
    "choose_local_fallback_tries": 0,
    "choose_total_tries": 50,
    "chooseleaf_descend_once": 1,
    "chooseleaf_vary_r": 1,
    "chooseleaf_stable": 0,
    "straw_calc_version": 1,
    "allowed_bucket_algs": 54,
    "profile": "hammer",   ⇦ ここがjewelからhammerに変わってる
    "optimal_tunables": 0,
    "legacy_tunables": 0,
    "minimum_required_version": "hammer",
    "require_feature_tunables": 1,
    "require_feature_tunables2": 1,
    "has_v2_rules": 0,
    "require_feature_tunables3": 1,
    "has_v3_rules": 0,
    "has_v4_buckets": 1,
    "require_feature_tunables5": 0,
    "has_v5_rules": 0
}