Highly Available NFS Exports with DRBD & Pacemaker

Highly available NFS

Updated January 2023 based on user submitted suggestions and a recent LINBIT technical review. Creating Highly Available NFS Targets with DRBD and Pacemaker This blog post explains how to configure a highly available (HA) active/passive NFS server on a three-node Linux cluster using DRBD® and Pacemaker. NFS is preferred for many use cases because it: […]

Creating a Self-healing Cluster Using LINSTOR’s Auto-evict Feature

When it’s time for the satellite to leave the cluster, the controller takes action! LINBIT® introduced LINSTOR®’s auto-evict feature starting with LINSTOR version 1.10. In simple words, the feature evicts one of the satellite nodes from the cluster. But the possibilities that the feature opens up for you, including creating a self-healing cluster, are more […]

WinDRBD + Proxy: Block-Based Replication for Windows Servers

windrbd

We have recently released our WinDRBD® product, which we have been working on for a long time, to the open source world as version 1.0. WinDRBD takes DRBD® and allows you to do block-based replication on Windows servers. Since the initial 1.0 version release in 2022, we have received good feedback and we are learning […]

LINBIT: The Company You Haven’t Heard of Before But Touches Your Daily Life

All the technological cornerstones of our daily lives are equipped with products and software from various companies. The social media applications we use every day, the cars we might drive, to our smart products at home, in our pockets, ears, or on our wrists, are usually all offerings from big technology companies. We consume many […]

DRBD Read-Balancing

DRBD’s read-balancing feature has been available since version 8.4.1. This feature enables DRBD® to balance read requests between the Primary and Secondary nodes. You configure read-balancing in the “disk” section of the configuration file(s). On the read intensive workloads, balancing read I/O operations between nodes can give you significant improvements. If your network gear allows, […]

Benchmarking DRBD

We often see people on #drbd or on drbd-user trying to measure the performance of their setup. Here are a few best practices to do this.  First, a few facts. The synchronization rate shown in /proc/drbd has nothing to do with the replication rate. These are different things, don’t mistake the speed: value there for a […]

LINSTOR – Controlling Data Replication with Snapshot Shipping

Snapshot Shipping

Whatever the situation, LINSTOR covers your back. LINSTOR is an SDS technology with snapshot shipping integrated into the code, capable of real-time replication using DRBD. However, real-time replication may not always be the method we want to use. When you replicate data in real-time, you want your connection to have very low latency and high […]

What are the benefits of running DRBD in Diskless mode?

dribd in diskless mode simple diagram explained

  Introduction As the developers of DRBD®, LINBIT has led the way in high availability since 2001. DRBD has been included in the Linux kernel since version 2.6.33 (2009), has been deployed on all major Linux distributions, and is fully compatible with systems, applications, devices, and services. LINBIT specializes in block level replication, high availability, […]

A new star is born: LIN:BEAT – The Band

LINBIT is opening up a new division to specifically address our community’s desire to turn the music up to 11! As you all know, LINBIT is famous for its DRBD, Software-Defined Storage (SDS) and Disaster Recovery (DR) solutions. In a paradigm-shifting turn of events by management, LINBIT has decided to expand into the music industry. […]