How to build a highly available mysql database cluster using drbd. In this tutorial, you use drbd to replicate the mysql disk from the primary. This howto is based on the latest version of openfiler at this date, you can download it from the. Then we need to configure drbd resource, here are a proposal to the proper. Mysql with drbdpacemakercorosync on linux by alok raj. Activepassive mysql high availability pacemaker cluster with. In this tutorial, you use drbd to replicate the mysql disk from the primary instance to the standby instance. Linux cluster part 1 install corosync and pacemaker on. Mysql with drbdpacemakercorosync on linux slideshare. Drbd distributed replicated block device drbd synchronizes data at the block device typically a spinning or solid state disk transparent to the application, database and even the file system. Specifically it manages clusters that use one or more of these components. Linux cluster part 1 install corosync and pacemaker on centos 6 learn how to install corosync and pacemaker on centos 6.
Connect on node 1 and node 2, download and install the latest community edition. Any application or virtual machine can be made highly available by enabling drbd as your backing storage. In order for clients to connect to the mysql cluster, you also deploy an internal load balancer. On both nodes, first ensure that the drbd service is not enabled on either node.
Deploying a highly available mysql cluster with drbd on oci. Donate to the lcmc the lcmc is a gui application that configures, manages and visualizes highavailability clusters. To implement the functionality of the cluster we will use corosync and pacemaker packages. How to create a mysql resource using pacemaker and corosync on centos7 i am succesfully created two nodes and a resource for virtual ip it works well now i want to create a mysql resource but not able to create as i mention it stops the mysql. Pacemaker, corosync, heartbeat, drbd, kvm, xen and lvm. On both node s we install debian with 5 partitions.
Corosync and pacemaker linux cluster of course supports both activepassive and activeactive modes on multinodes. Mysql high availability on the pacemaker cluster stack. This example uses eth0 for interconnection and uses eth1 for service provider. Corosync is a cluster communication and participation package, thats used by pacemaker. When installing pacemaker we will also install corosync that is used to sync the pacemaker cluster details. Mysql apache pacemaker openais drbd activepassive cluster with debian lenny first we need 2 machines, each with 2 nics. Faq documentation user guides white papers download. Installing and configuring pacemaker, corosync and pcsd. We will use pacemaker as our cluster resource manager and support can be gained for this from linbit as with drbd. Hi, im setting up a hacluster with two debian lenny nodes. Mysql with drbdpacemakercorosync on linux definition of drbd. It has a web interface over that you can control these services.
551 725 486 1387 1659 448 1588 757 1164 1382 986 865 1120 1164 333 473 108 901 684 785 549 1515 880 433 6 941 1008 1472 502 105 559 365 343 532 566 1081 614 826 782 158