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下文給大家?guī)碛嘘P(guān)MySQL 8.0 InnoDB Cluster出現(xiàn)故障如何解決內(nèi)容,相信大家一定看過類似的文章。我們給大家?guī)淼挠泻尾煌??一起來看看正文部分吧,相信看完MySQL 8.0 InnoDB Cluster出現(xiàn)故障如何解決你一定會(huì)有所收獲。
InnoDB Cluster 一節(jié)點(diǎn)丟失
初始化故障節(jié)點(diǎn)
systemctl stop mysqld rm -rf /var/lib/mysql/* systemctl start mysqld
導(dǎo)出正常節(jié)點(diǎn)的數(shù)據(jù)庫,并傳到故障節(jié)點(diǎn)
mysqldump --all-databases --triggers --routines --events --quick --single-transaction --flush-logs --master-data=2 > dbs.dump scp dbs.dump 192.168.1.224:~/
故障節(jié)點(diǎn)導(dǎo)入數(shù)據(jù)庫
mysql> set sql_log_bin=0; mysql> ALTER USER root@'localhost' IDENTIFIED BY 'MySQL8.0'; mysql> source dbs.dump mysql> set sql_log_bin=1;
重啟故障節(jié)點(diǎn) MySQL
systemctl restart mysqld
將故障節(jié)點(diǎn)重新加入集群
MySQL 192.168.1.226:33060+ ssl JS > var cluster=dba.getCluster('appCluster') MySQL 192.168.1.226:33060+ ssl JS > cluster.removeInstance('root@192.168.1.224:3306') MySQL 192.168.1.226:33060+ ssl JS > cluster.addInstance('root@192.168.1.224:3306')
集群恢復(fù)正常
MySQL 192.168.1.226:33060+ ssl JS > cluster.status() { "clusterName": "appCluster", "defaultReplicaSet": { "name": "default", "primary": "192.168.1.226:3306", "ssl": "REQUIRED", "status": "OK", "statusText": "Cluster is ONLINE and can tolerate up to ONE failure.", "topology": { "192.168.1.224:3306": { "address": "192.168.1.224:3306", "mode": "R/O", "readReplicas": {}, "role": "HA", "status": "ONLINE" }, "192.168.1.225:3306": { "address": "192.168.1.225:3306", "mode": "R/O", "readReplicas": {}, "role": "HA", "status": "ONLINE" }, "192.168.1.226:3306": { "address": "192.168.1.226:3306", "mode": "R/W", "readReplicas": {}, "role": "HA", "status": "ONLINE" } } }, "groupInformationSourceMember": "mysql://root@192.168.1.226:3306"}
對(duì)于上文關(guān)于MySQL 8.0 InnoDB Cluster出現(xiàn)故障如何解決,大家覺得是自己想要的嗎?如果想要了解更多相關(guān),可以繼續(xù)關(guān)注我們的行業(yè)資訊板塊。
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