This tutorial will walk you through the steps for installing DRBD on Void Linux. DRBD, or Distributed Replicated Block Device, is a software package that allows two or more Linux servers to share the same storage in real-time. This can increase availability and provide failover capabilities for critical applications.
Before you begin, you will need:
The easiest way to install DRBD on Void Linux is to use the xbps-install command. To install DRBD, open a terminal window and run the following command:
sudo xbps-install drbd
This will download and install the DRBD package from the Void Linux repositories.
Once you have installed DRBD, you need to configure it to work with your system. The configuration file for DRBD is located at /etc/drbd.conf. Open this file using your favorite text editor.
There are many configuration options in the DRBD configuration file, but the most important ones are the resource blocks. These blocks define the resources that DRBD will mirror between servers.
A basic example of a DRBD resource block looks like this:
resource r0 {
device /dev/drbd0;
meta-disk internal;
disk /dev/sdb1;
on node1 {
address 192.168.1.1:7788;
}
on node2 {
address 192.168.1.2:7788;
}
}
This configuration sets up a DRBD resource called r0 that uses /dev/sdb1 as the disk to be mirrored. The resource is configured to run on two servers, node1 and node2, with IP addresses 192.168.1.1 and 192.168.1.2, respectively.
Other configuration options include the replication protocol, disk size, and sync rate.
To start DRBD on your system, run the following command:
sudo systemctl start drbd
This will start the DRBD service and enable it to run on boot.
To test that DRBD is working correctly, run the following command on both nodes:
sudo drbdadm status
This will show you the current status of the DRBD resource(s). If everything is set up correctly, you should see a status of Connected and no errors.
That's it! You have successfully installed DRBD on Void Linux and configured it to work with your system. With DRBD in place, you can now mirror your storage between servers and increase the availability and reliability of your critical applications.
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