内核客户端功能集不匹配错误
laurentbarbe
根据您使用的内核版本，您可能缺少集群所需的一些功能（反之亦然，客户端需要的功能在集群上不可用）。因此出现“功能集不匹配”错误。
可能遇到的错误示例
mon0 192.168.0.1:6789 feature set mismatch, my XXXXXX < server's XXXXXX, missing 2040000
—> 将客户端内核升级到 3.9 或将可调参数设置为传统模式：ceph osd crush tunables legacy
mon0 192.168.0.1:6789 feature set mismatch, my XXXXXX < server's XXXXXX, missing 40000000
—> 将客户端内核升级到 3.9 或取消设置 hashpspool：ceph osd pool set rbd hashpspool false
mon0 192.168.0.1:6789 feature set mismatch, my XXXXXX < server's XXXXXX, missing 800000000
—> 移除缓存池并重新加载监视器，或将客户端内核升级到 3.14
mon0 192.168.0.1:6789 feature set mismatch, my XXXXXX < server's XXXXXX, missing 1000000000
—> 将客户端内核升级到 3.14
mon0 192.168.0.1:6789 feature set mismatch, my 4a042a42 < server's 2004a042a42, missing 20000000000
—> 将客户端内核升级到 3.15 或禁用 3 个可调功能
CEPH_FEATURE 表和内核版本 ¶
您可以在该表中找到缺失的功能
例如，missing 2040000 表示内核客户端缺少 CEPH_FEATURE_CRUSH_TUNABLES (40000) 和 CEPH_FEATURE_CRUSH_TUNABLES2 (2000000)。
‘R’：必需，’S’：支持，‘-X-’ 功能自此版本起新增
| 功能 | 位 | 八进制 | 3.8 | 3.9 | 3.10 | 3.14 | 3.15 | 3.18 |
|---|---|---|---|---|---|---|---|---|
| CEPH_FEATURE_UID | 0 | 1 | ||||||
| CEPH_FEATURE_NOSRCADDR | 1 | 2 | R | R | R | R | R | R |
| CEPH_FEATURE_MONCLOCKCHECK | 2 | 4 | ||||||
| CEPH_FEATURE_FLOCK | 3 | 8 | ||||||
| CEPH_FEATURE_SUBSCRIBE2 | 4 | 10 | ||||||
| CEPH_FEATURE_MONNAMES | 5 | 20 | ||||||
| CEPH_FEATURE_RECONNECT_SEQ | 6 | 40 | -R- | R | R | R | ||
| CEPH_FEATURE_DIRLAYOUTHASH | 7 | 80 | ||||||
| CEPH_FEATURE_OBJECTLOCATOR | 8 | 100 | ||||||
| CEPH_FEATURE_PGID64 | 9 | 200 | R | R | R | R | R | |
| CEPH_FEATURE_INCSUBOSDMAP | 10 | 400 | ||||||
| CEPH_FEATURE_PGPOOL3 | 11 | 800 | R | R | R | R | R | |
| CEPH_FEATURE_OSDREPLYMUX | 12 | 1000 | ||||||
| CEPH_FEATURE_OSDENC | 13 | 2000 | R | R | R | R | R | |
| CEPH_FEATURE_OMAP | 14 | 4000 | ||||||
| CEPH_FEATURE_MONENC | 15 | 8000 | ||||||
| CEPH_FEATURE_QUERY_T | 16 | 10000 | ||||||
| CEPH_FEATURE_INDEP_PG_MAP | 17 | 20000 | ||||||
| CEPH_FEATURE_CRUSH_TUNABLES | 18 | 40000 | S | S | S | S | S | S |
| CEPH_FEATURE_CHUNKY_SCRUB | 19 | 80000 | ||||||
| CEPH_FEATURE_MON_NULLROUTE | 20 | 100000 | ||||||
| CEPH_FEATURE_MON_GV | 21 | 200000 | ||||||
| CEPH_FEATURE_BACKFILL_RESERVATION | 22 | 400000 | ||||||
| CEPH_FEATURE_MSG_AUTH | 23 | 800000 | -S- | |||||
| CEPH_FEATURE_RECOVERY_RESERVATION | 24 | 1000000 | ||||||
| CEPH_FEATURE_CRUSH_TUNABLES2 | 25 | 2000000 | S | S | S | S | S | |
| CEPH_FEATURE_CREATEPOOLID | 26 | 4000000 | ||||||
| CEPH_FEATURE_REPLY_CREATE_INODE | 27 | 8000000 | S | S | S | S | S | |
| CEPH_FEATURE_OSD_HBMSGS | 28 | 10000000 | ||||||
| CEPH_FEATURE_MDSENC | 29 | 20000000 | ||||||
| CEPH_FEATURE_OSDHASHPSPOOL | 30 | 40000000 | S | S | S | S | S | |
| CEPH_FEATURE_MON_SINGLE_PAXOS | 31 | 80000000 | ||||||
| CEPH_FEATURE_OSD_SNAPMAPPER | 32 | 100000000 | ||||||
| CEPH_FEATURE_MON_SCRUB | 33 | 200000000 | ||||||
| CEPH_FEATURE_OSD_PACKED_RECOVERY | 34 | 400000000 | ||||||
| CEPH_FEATURE_OSD_CACHEPOOL | 35 | 800000000 | -S- | S | S | |||
| CEPH_FEATURE_CRUSH_V2 | 36 | 1000000000 | -S- | S | S | |||
| CEPH_FEATURE_EXPORT_PEER | 37 | 2000000000 | -S- | S | S | |||
| CEPH_FEATURE_OSD_ERASURE_CODES | 38 | 4000000000 | ||||||
| CEPH_FEATURE_OSD_TMAP2OMAP | 38* | 4000000000 | ||||||
| CEPH_FEATURE_OSDMAP_ENC | 39 | 8000000000 | -S- | S | ||||
| CEPH_FEATURE_MDS_INLINE_DATA | 40 | 10000000000 | ||||||
| CEPH_FEATURE_CRUSH_TUNABLES3 | 41 | 20000000000 | -S- | S | ||||
| CEPH_FEATURE_OSD_PRIMARY_AFFINITY | 41* | 20000000000 | -S- | S |
(请注意，从 firefly 版本开始，客户端不再需要 CEPH_FEATURE_OSD_ERASURE_CODES)