Highavailability storage using drbd with ocfs2 on ubuntu. Linbit software download page for linstor and drbd linux driver. By the way, drbdkm package is built with the current version of kernel, so if you will update kernel in the future, then you need to rebuild drbd again with the version of kernel. Create a new partition either in same or a different hdd. The drbd kernel module is part of the mainstream kernel release and does not need to be installed. A simple drbd setup on ubuntu, with two virtual machines prepared with a crosslink network and 1gb partition and all packages installed. It translates highlevel commands into one or more lowerlevel commands for the drbdsetup and drbdmeta utilities, which. Lts stands for longterm support which means five years, until april 2025, of free security and maintenance updates, guaranteed. In the following setup we have two servers with ubuntu 10. The drbd users guide please read this first this guide is intended to serve users of the distributed replicated block device drbd as a definitive reference guide and handbook.
The desktop cd allows you to try ubuntu without changing your computer at all, and at your option to install it permanently later. Therefore drbd will copy each and every block from its peer, to bring the local storage device back in sync. On a client running ubuntu desktop, run virtmanager. How to setup mariadb high availability with heartbeat and drbd. Any block device hard disks, partitions, raid devices, logical volumes, etc can be mirrored. The remaining software remains available via download. Ubuntu is a free and open source operating system based on the debian gnulinux distribution, developed by ubuntu foundation. To get drbd, you need to enable the universe component for your preferred ubuntu mirror in etcaptsources. Everything is fine except that i cannot get the drbd module to load. For drbd testing, two working ubuntu server jaunty installations are needed. I have installed and configured drbd on my ubuntu 9. It mirrors a block device over the network to another machine.
Once upon a time, i need to setup high availability for my servers. How to setup mariadb high availability with heartbeat and. No more package updates, including security updates, will be accepted to the 12. Check to see what is installed, and follow instructions to create a debian package using patched source if needed.
To get started using drbd, first install the necessary packages. This post is focusing on drbd management and basic command usage. Drbd distributed replicated block device is a kernellevel service that synchronizes data between two servers in realtime. Ubuntu is distributed on two types of images described below. The replication is transparent to other applications on the host systems. Linbit software download page for linstor and drbd linux. Download ubuntu desktop, ubuntu server, ubuntu for raspberry pi and iot devices, ubuntu core and all the ubuntu flavours.
I would suggest you to use activepassive cluster with drbd. Distributed replicated block device drbd mirrors block devices between multiple hosts. I have talked about drbd setup in one of my previous posts. We implement the solution with debian 8, but it should work also on ubuntu. For ha i am trying to get a cluster going with corosyncpacemaker and drbd. Install and configure drdb for network filesystem replication on. Im in a plan to configure ubuntu servers for high availability, so i have tested drbd working and its fine as per the links i referred. Activeactive leads to more problems then it solves especially if you use mysql as database because. Ubuntu is distributed on eight types of images described below.
For the latest information on high availability and how to set up a highlyavailable server cluster, see high availability. Other images, including dvds and source cds, may be available on the cdimage server. Ubuntu is an opensource software platform that runs everywhere from the pc to the server and the cloud. Heartbeat is an open source program that allows a primary and a backup linux server to determine if the other is alive and if the primary isnt, failover resources to the backup. The only exceptions are some proprietary hardware drivers which are needed to safeguard evry individual freedom to use the os. User guides linbit online documentation resource for drbd. Add all servers to the etchosts file on each server so they can ping each other by hostname. In this blog we step you through the very basics in setting up a drbd pacemaker ha cluster on ubuntu 16.
First, we need to install drbd utils, as the drbd kernel module is already in mainline kernel. Ubuntu server brings economic and technical scalability to your datacentre, public or private. Download the latest lts version of ubuntu, for desktop pcs and laptops. Hello, this is the first time i post to the linux server forum, as i thought this is the most relevant place for the question i am about to ask. How to use drbd for entire system replication ask ubuntu. Suse linux enterprise server sles, versions 11sp4, 12 and 15. This can make up the foundation of many clusters as, at the drbd level, we can make the filesystem highly available, we are using two ubuntu 16. Because of the upcoming project with mediax, computer hardware was chosen based on low cost and low power consumption. Read this is a stepbystep guide on how to configure drbd on ubuntu server 12.
Setup drbd download drbd components on both servers. It is being made available to the drbd community by linbit, the projects sponsor company, free of charge and in the hope that it. Installing drbdsds from the linbit ubuntu ppa the urban. Before installing the chef server software, perform the following steps. I am very confused actually because i dont quite understand which components are responsible for which tasks. This tutorial explains the configuration of a drbd network filesystem replication as hot standby primarysecondary with ext4. For customers who cant upgrade immediately, canonical is offering extended security support for ubuntu advantage customers, more info about which can be found here. Whether you want to deploy an openstack cloud, a kubernetes cluster or a 50,000node render farm, ubuntu server delivers the best value scaleout performance available. Tasks to be performed on both the nodes preinstallation tasks. Clustering with pacemaker, corosync, and drbd on ubuntu 10. Linux driver for the distributed replicated block device drbd is a distributed replicated block device. Both servers choose use entire disk with lvm, but only use like 15gb for the system to leave the rest for vms. Testingcases ubuntuserverdrbd last edited 20140803 19.
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