On 1/9/19 10:10 AM, 楼锴毅 wrote: > Well, but the client with kernel 3.10 could work well several days ago, when the cluster version was also 12.2.10 > I see, but you went forward with that flag. Somebody set the flag. I know that Redhat backports a lot of things to the 3.10 kernel, maybe you are running a older patch version which doesn't have the required Luminous code? Wido > -----Original Message----- > From: Wido den Hollander [mailto:wido@xxxxxxxx] > Sent: Wednesday, January 09, 2019 4:48 PM > To: 楼锴毅; ceph-users@xxxxxxxxxxxxxx > Subject: Re: set-require-min-compat-client failed > > > > On 1/9/19 8:00 AM, 楼锴毅 wrote: >> Hi all , >> >> My cluster verison is 12.2.10, and some of my clients’ kernel >> version is 3.10 , but I got “require_min_compat_client luminous” when >> I ran “ceph osd dump” >> > > Did you set this manually? > > If so, were the 3.10 kernel clients connected at that moment? > >> Then I tried to run >> >> “ceph osd set-require-min-compat-client jewel” >> >> It shows : >> >> “Error EPERM: osdmap current utilizes features that require luminous; >> cannot set require_min_compat_client below that to jewel” >> >> How could I deal with it? Update the kernel seems to be impossible… >> > > I think that a kernel upgrade would be the easiest way to go as rolling this back will be difficult and uncharted territory. > > Wido > >> >> >> And here is the imformation about tunables : >> >> { >> >> "choose_local_tries": 0, >> >> "choose_local_fallback_tries": 0, >> >> "choose_total_tries": 50, >> >> "chooseleaf_descend_once": 1, >> >> "chooseleaf_vary_r": 1, >> >> "chooseleaf_stable": 1, >> >> "straw_calc_version": 1, >> >> "allowed_bucket_algs": 54, >> >> "profile": "jewel", >> >> "optimal_tunables": 1, >> >> "legacy_tunables": 0, >> >> "minimum_required_version": "jewel", >> >> "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": 1, >> >> "has_v5_rules": 0 >> >> } >> >> >> >> Thanks a lot >> >> >> >> 楼锴毅 >> >> 技术产品中心 >> >> >> >> 爱奇艺公司 iQIYI, Inc. >> >> 地址:上海市长宁区临虹路365号爱奇艺创新大厦7楼 >> >> 邮编:200335 >> >> 手机: 18843100294 >> >> 邮箱: loukaiyi_sx@xxxxxxxx <mailto:loukaiyi_sx@xxxxxxxx> >> >> 网址:www.iQIYI.com <http://www.iqiyi.com/> >> >> >> >> >> _______________________________________________ >> ceph-users mailing list >> ceph-users@xxxxxxxxxxxxxx >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com