本篇内容主要讲解“怎么解决MySQL数据库报错edit the grastate问题”，感兴趣的朋友不妨来看看。本文介绍的方法操作简单快捷，实用性强。下面就让小编来带大家学习“怎么解决mysql数据库报错edit the grastate问题”吧!

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1、尝试重启mysql数据库时报错
[root@galera01 ~]# /etc/init.d/mysqld start  --wsrep-new-cluster
MySQL Daemon failed to start.
Starting mysqld:  [FAILED]

2、查看启动报错日志
2017-07-24T02:45:41.972508Z 0 [ERROR] WSREP: It may not be safe to bootstrap the cluster from this node. It was not the last one to leave the cluster and may not contain all the
 updates. To force cluster bootstrap with this node, edit the grastate.dat file manually and set safe_to_bootstrap to 1 .
2017-07-24T02:45:41.972511Z 0 [ERROR] WSREP: wsrep::connect(gcomm://192.168.56.111,192.168.56.112,192.168.56.113) failed: 7
2017-07-24T02:45:41.972513Z 0 [ERROR] Aborting

2017-07-24T02:45:41.972516Z 0 [Note] Giving 0 client threads a chance to die gracefully
2017-07-24T02:45:41.972519Z 0 [Note] WSREP: Service disconnected.
2017-07-24T02:45:42.972895Z 0 [Note] WSREP: Some threads may fail to exit.
2017-07-24T02:45:42.972937Z 0 [Note] Binlog end
2017-07-24T02:45:42.973014Z 0 [Note] /usr/sbin/mysqld: Shutdown complete

3、尝试先启动其他节点，相同报错
从错误日志提示报错提示，当前节点不是集群中最后离开的节点，也就是说当前节点可能未能包含所有的更新。
如果强制启动当前节点，需要修改grastate.dat文件将safe_to_bootstrap的值置为1。
尝试先启动其他节点，相同报错。

4、修改grastate.dat文件
该文件主要描述GALERA保持的状态信息，按指引修改safe_to_bootstrap的值置为1。
# cat grastate.dat
# GALERA saved state
version: 2.1
uuid:    df4a1da6-701a-11e7-87fe-e6c3a440d1ec
seqno:   -1
safe_to_bootstrap: 1               ---由原来的0修改为1再次启动

# /etc/init.d/mysqld start  --wsrep-new-cluster
Starting mysqld:  [  OK  ]
5、mysql集群启动成功

mysql> show global status like 'wsrep%';
+------------------------------+-------------------------------------------------------------+
| Variable_name                | Value                                                       |
+------------------------------+-------------------------------------------------------------+
| wsrep_local_state_uuid       | df4a1da6-701a-11e7-87fe-e6c3a440d1ec                        |
| wsrep_protocol_version       | 7                                                           |
| wsrep_last_committed         | 0                                                           |
| wsrep_replicated             | 0                                                           |
| wsrep_replicated_bytes       | 0                                                           |
| wsrep_repl_keys              | 0                                                           |
| wsrep_repl_keys_bytes        | 0                                                           |
| wsrep_repl_data_bytes        | 0                                                           |
| wsrep_repl_other_bytes       | 0                                                           |
| wsrep_received               | 10                                                          |
| wsrep_received_bytes         | 752                                                         |
| wsrep_local_commits          | 0                                                           |
| wsrep_local_cert_failures    | 0                                                           |
| wsrep_local_replays          | 0                                                           |
| wsrep_local_send_queue       | 0                                                           |
| wsrep_local_send_queue_max   | 1                                                           |
| wsrep_local_send_queue_min   | 0                                                           |
| wsrep_local_send_queue_avg   | 0.000000                                                    |
| wsrep_local_recv_queue       | 0                                                           |
| wsrep_local_recv_queue_max   | 1                                                           |
| wsrep_local_recv_queue_min   | 0                                                           |
| wsrep_local_recv_queue_avg   | 0.000000                                                    |
| wsrep_local_cached_downto    | 18446744073709551615                                        |
| wsrep_flow_control_paused_ns | 0                                                           |
| wsrep_flow_control_paused    | 0.000000                                                    |
| wsrep_flow_control_sent      | 0                                                           |
| wsrep_flow_control_recv      | 0                                                           |
| wsrep_cert_deps_distance     | 0.000000                                                    |
| wsrep_apply_oooe             | 0.000000                                                    |
| wsrep_apply_oool             | 0.000000                                                    |
| wsrep_apply_window           | 0.000000                                                    |
| wsrep_commit_oooe            | 0.000000                                                    |
| wsrep_commit_oool            | 0.000000                                                    |
| wsrep_commit_window          | 0.000000                                                    |
| wsrep_local_state            | 4                                                           |
| wsrep_local_state_comment    | Synced                                                      |
| wsrep_cert_index_size        | 0                                                           |
| wsrep_causal_reads           | 0                                                           |
| wsrep_cert_interval          | 0.000000                                                    |
| wsrep_incoming_addresses     | 192.168.56.111:3306,192.168.56.112:3306,192.168.56.113:3306 |
| wsrep_desync_count           | 0                                                           |
| wsrep_evs_delayed            |                                                             |
| wsrep_evs_evict_list         |                                                             |
| wsrep_evs_repl_latency       | 0/0/0/0/0                                                   |
| wsrep_evs_state              | OPERATIONAL                                                 |
| wsrep_gcomm_uuid             | df49c18f-701a-11e7-aaaa-9659aa7ef9f8                        |
| wsrep_cluster_conf_id        | 3                                                           |
| wsrep_cluster_size           | 3                                                           |
| wsrep_cluster_state_uuid     | df4a1da6-701a-11e7-87fe-e6c3a440d1ec                        |
| wsrep_cluster_status         | Primary                                                     |
| wsrep_connected              | ON                                                          |
| wsrep_local_bf_aborts        | 0                                                           |
| wsrep_local_index            | 0                                                           |
| wsrep_provider_name          | Galera                                                      |
| wsrep_provider_vendor        | Codership Oy                            |
| wsrep_provider_version       | 3.20(r7e383f7)                                              |
| wsrep_ready                  | ON                                                          |
+------------------------------+-------------------------------------------------------------+
57 rows in set (0.00 sec)

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