How to Install DRBD on Manjaro

DRBD (Distributed Replicated Block Device) is a Linux-based software used for building high availability clusters. In this tutorial, we will show you how to install DRBD on Manjaro.

Step 1: Update the Package Manager

Before installing DRBD, you should update the package manager to ensure that you have the latest version. Open the terminal and run the following command:

sudo pacman -Syu

This will update all the installed packages and the package manager.

Step 2: Install DRBD

Now, we will install DRBD. Open the terminal and run the following command:

sudo pacman -S drbd

This will download and install DRBD on your Manjaro system.

Step 3: Configure DRBD

After installing DRBD, you need to configure it. You can find the configuration files in the /etc/drbd.d/ directory. Open the file /etc/drbd.d/global_common.conf and add the following lines:

global {
    usage-count no;
}

This will prevent DRBD from counting usage statistics. Next, open the file /etc/drbd.d/resource_name.res, where resource_name is the name of your DRBD resource. Replace resource_name with the name of your resource and add the following lines:

resource resource_name {
    protocol C;
    on node1 {
        device /dev/drbd0;
        disk /dev/sda1;
        address 192.168.1.1:7788;
        meta-disk internal;
    }
    on node2 {
        device /dev/drbd0;
        disk /dev/sda1;
        address 192.168.1.2:7788;
        meta-disk internal;
    }
}

This will configure DRBD to use the C protocol, which is used for two-node clusters. Replace node1 with the hostname or IP address of your first node, and node2 with the hostname or IP address of your second node. Replace /dev/sda1 with the device that you want to use for DRBD storage.

Step 4: Start DRBD

After configuring DRBD, start the service by running the following command:

sudo systemctl start drbd

This will start DRBD on your system.

Step 5: Verify the DRBD Status

To verify the status of DRBD, run the following command:

sudo cat /proc/drbd

This will display the status of DRBD on your system. If everything is working correctly, you should see "Connected" in the output.

Congratulations! You have successfully installed DRBD on your Manjaro system.

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