For HIGH AVAILBILITY articles under category MySql.
How To Bootstrap MySQL Router For InnoDB Cluster Bootstrap MySQL Router against an InnoDB Cluster to automatically configure the routing of incoming client connections to mysql instances. To bootstrap MySQL Router at the command-line, pass in the –bootstrap option when you start the mysqlrouter command, and it retrieves the topology information from the metadata and configures routing connections to […]
Changing InnoDB Cluster Topology in MySQL By default, an InnoDB Cluster runs in single-primary mode, where the cluster has one primary server that accepts read and writes queries (R/W), and all of the remaining instances in the cluster accept only read queries (R/O). When you configure a cluster to run in multi-primary mode, all of […]
How to Setup MySql InnoDB Cluster MySQL InnoDB Cluster provides a complete high availability solution for MySQL. By using the AdminAPI included with MySql Shell, you can easily configure and administer a group of at least three MySQL server instances to function as an InnoDB Cluster. Each MySQL server instance runs MySQL Group Replication, which […]
Adopting a Group Replication Deployment into InnoDB Cluster in MySQL If you have an existing deployment of Group Replication and you want to use it to create a cluster, pass the adoptFromGR option to the dba.createCluster() function. The created InnoDB Cluster matches whether the replication group is running as single-primary or multi-primary. To adopt […]
Add & Drop Standby Redolog Files on Standby (Dataguard) in Oracle In this article, we are going to demonstrate add & drop standby redolog files on standby (dataguard) in Oracle. Drop or add standby redolog files require in case we resized/recreate redolog in PRIMARY so need to follow same on STANDBY database or some times […]
How to change Group Replication Mode in MySQL In this blog, we will see How to change the mode in which a group is running in, either single or multi-primary. For this we will use two functions group_replication_switch_to_multi_primary_mode() & group_replication_switch_to_single_primary_mode(). These functions used to change a group’s mode can be run on any member. In […]
Deploying MySql Group Replication in Single-Primary Mode Group Replication is provided as a plugin to MySQL Server. MySQL Group Replication enables you to create elastic, highly-available, fault-tolerant replication topologies and Group Replication guarantees that the database service is continuously available. Groups can operate in a single-primary mode with the automatic primary election, where only one […]
How To Bootstrap MySQL Router For InnoDB ReplicaSet In the previous blog, we saw How to Configure InnoDB ReplicaSet Click here to read more & How to perform Switchover/Failover in MySql InnoDB ReplicaSet Click here to read more. We will use the same configuration to install and bootstrap mysql router. Bootstrap MySQL Router against an InnoDB ReplicaSet […]
How to perform Switchover/Failover in MySql InnoDB ReplicaSet In the previous blog, we saw Part I: How to Configure InnoDB ReplicaSet MySQL Click here to read more. We will use the same configuration to perform Switchover & Failover in InnoDB ReplicaSet. Below are the setup information. Hostname IP Role Server_ID Port Installation Link test-machine01 192.168.114.177 […]
Steps to Create Active Physical Standby Dataguard Using RMAN Duplicate in Oracle In the previous article, we have configured a Physical STANDBYdatabase where we started MRP in mount state. In this article, we are going to demonstrate Steps to Create Active Physical Standby Dataguard Using RMAN Active Duplicate in Oracle database. Active dataguard features introduced […]
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