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LINSTOR SDS Quickstart

LINSTOR is an Open Source management tool designed to manage block storage devices for large Linux server clusters. Its primary use-case is currently to provide Linux block storage for Kubernetes, OpenStack, OpenNebula, and OpenShift environments.
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DRBD User’s Guide (8.3.x)

The definitive DRBD handbook, now available as a convenient PDF. Over 120 pages of concentrated DRBD expert knowledge! - This guide describes Version 8.3.x
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OCF Resource Agent Developer’s Guide

If you write or maintain resource agents as specified by the Open Cluster Framework (OCF), you’ll find this manual indispensable. Find out what’s all-important about OCF RAs, compressed to about 20 pages!
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Applications

HA Nagios XI v5 Cluster on RHEL7

Set up the Linux Cluster stack for Nagios XI to achieve a Highly Available automated Failover cluster. After close collaboration, LINBIT and Nagios are jointly releasing this technical guide outlining the best practices to achieve HA for your existing Nagios XI implementation.
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MySQL High Availability on Red Hat Enterprise Linux

You run a MySQL database? And you deploy Red Hat Enterprise Linux 6.0? Then you’ll need this document to make your databases highly available. With this step-by-step guide, we’ll show you how to use DRBD to quickly and easily make databases highly available!
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Storage

Highly available iSCSI on RHEL 7

This guide outlines the configuration of a highly-available iSCSI storage cluster using DRBD, Pacemaker, and Corosync. iSCSI provides access to block devices via TCP/IP, which allows storage to be accessed remotely using standard networks.
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Highly available NFS on RHEL 7

This guide can be used to deploy a High Availability (HA) NFS cluster using DRBD, Pacemaker, and Corosync on a RHEL/CentOS 7 server. - This guide is available in english.
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Highly available iSCSI with DRBD and Pacemaker

If you want to operate a highly available iSCSI SAN, this is the guide that you’re looking for . Step by step, we will show you how to configure and administer High Availability with DRBD and Pacemaker for fail-safe iSCSI targets. - This guide is available in english.
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Root on DRBD

In Root on DRBD Philipp Marek, Senior Developer at LINBIT, shows how to use DRBD to implement a block based backup solution for your mobile device. By putting the root file system directly upon DRBD it is possible to draw fast, incremental, space-efficient backups from your disk to a remote location. This guide explains the necessary steps and additional scripts required to fully automate the process.
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Dual Primary: Think Twice

Planning to run DRBD in Dual-Primary mode? Then you should read this document forwards and backwards. LINBIT highlights common pitfalls and explains where you had better use good care.
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DRBD9 ISCSI RHEL8

This guide outlines the configuration of a highly-available iSCSI storage cluster using DRBD, Pacemaker, and Corosync. iSCSI provides access to block devices via TCP/IP, which allows storage to be accessed remotely using standard networks.
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DRBD9 Proxy RHEL8

This guide covers two common DRBD Proxy implementations. The first method uses DRBD proxy in a newly configured two-node DRBD cluster to replicate data to a peer over a high latency WAN connection; this method is common for customers looking for a disaster recovery solution.
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DRBD9 NFS RHEL8

This guide can be used to deploy a High Availability (HA) NFS cluster using DRBD, Pacemaker, and Corosync on a RHEL/CentOS 8 server. After following the instructions outlined in this guide, transferring data to or from an NFS export, to or from a client system, should not be interrupted during failover.
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Virtualization

Highly available Virtualization with KVM, iSCSI & Pacemaker

Are you planning to deploy your enterprise cloud? Then you’ll need this document to make your virtualization infrastructure highly available. With this step-by-step guide, we’ll show you how to use open source iSCSI targets to quickly and easily migrate KVM domains between physical servers — and how to use that functionality for high availability!
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Highly available OpenVZ with NFS and Pacemaker

You run OpenVZ container based virtualization? Then you’ll need this document to make your containers highly available. With this step-by-step guide, we’ll show you how to use NFS to quickly and easily migrate containers between physical servers — and how to use that functionality for high availability!
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Performance

Intel SATA SSD Testing with DRBD

In this guide we test out two Intel DC S 3700 Series 800GB SATA SSD drives to evaluate them regarding replication speed and also to determine the performance overhead when used in a synchronous replication setup.
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SanDisk SAS SSD testing

In this tech-guide LINBIT evaluates two SanDisk Optimus AscendTM 2.5 “800 GB SAS solid state disks regarding performance and synchronous replication overhead.
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Disaster Recovery

Geo-Clustering with DRBD 8 and Pacemaker

This tech-guide describes a setup consisting of two highly available Pacemaker clusters in two sites, with a routed IPv4 or IPv6 connection in between that can range from a few Mbit/sec up to 10GBit/ sec, depending on the IO load imposed on the cluster nodes.
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Disaster Recovery with DRBD Proxy: Configuration Guide

Implement your disaster recovery solution using off site block level replication. DRBD Proxy mirrors your local DRBD resources over a WAN or Internet connection despite possible network performance or high latency. This tech guide illustrates the configuration of a 3-node DRBD setup with stacked resources and DRBD proxy for WAN replication.
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DRBD and EC2 Technical Guide

In this guide we will show how to utilize Amazons EC2 and LINBITs DRBD/DRBD Proxy combo to replicate data to the cloud for off-site replication. Common uses of this type of implementation are Disaster Recovery and Disaster Avoidance.
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Solutions

Geo Clustering with Oracle DynDNS failover

Geo Clustering with Oracle DynDNS failover – IN A WORLD where disaster can strike at any time, availability of services and data is a must. Utilizing LINBIT’s DRBD, DRBD Proxy, and several other open source components, we can ensure that even in the event of an entire data center going offline, services and data are available.
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High Availability LogZilla Clustering

This paper discusses the steps necessary to build a highly available LogZilla cluster environment. The team of Logzilla outlines all the necessary tools to build the cluster from scratch using Ubuntu 12.04 LTS servers. It is assumed that the reader has a firm grasp on the use of Ubuntu Linux and Linux commands in general. - Note: This guide is not written by LINBIT, the credit belongs to the LogZilla team
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DRBD & Pacemaker HA Clustering in Azure

In non-cloud based Linux HA clusters, virtual IP failover is the typical method for redirecting clients to the active node. In the cloud, this method generally requires a virtual IP resource agent capable of orchestrating the IP failover with the cloud platform.
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As the world’s leading provider of Software-Defined Storage, High Availability, and Disaster Recovery software, LINBIT adds server clustering capabilities to any containerized, virtualized, or bare metal environment.
The words LINSTOR®, DRBD®, LINBIT®, and the logo LINSTOR®, DRBD®, and LINBIT® are trademarks or registered trademarks of LINBIT in Austria, the United States and other countries.
Copyright © 2020 LINBIT All rights reserved.
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