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What is Longhorn?

Historically, the integration of replicated storage within Kubernetes clusters has presented notable difficulties for ITOps and DevOps teams, which has resulted in many on-premises Kubernetes setups lacking persistent storage support. Furthermore, external storage alternatives tend to be expensive and often lack the desired portability. In contrast, Longhorn emerges as a straightforward, easily deployable, and completely open-source choice for cloud-native persistent block storage, alleviating the financial strain associated with proprietary solutions. Among its features are built-in incremental snapshots and backup capabilities that safeguard volume data both internally and externally to the Kubernetes environment. Longhorn simplifies the scheduling of backups for persistent storage volumes through its user-friendly management interface, making it accessible to a broader range of users. Unlike conventional external replication approaches, which may require days to recover from a disk failure by re-replicating the entire dataset, Longhorn drastically cuts down on recovery time, enhancing cluster performance and reducing failure risks during vital periods. As a result, organizations can attain more dependable and efficient storage solutions tailored to their Kubernetes deployments, ultimately driving better operational outcomes.

What is DRBD?

DRBD® (Distributed Replicated Block Device) is an open-source solution focused on block storage replication for Linux, designed to deliver high-performance and high-availability (HA) data services by either synchronously or asynchronously mirroring local block devices between nodes in real-time. As a virtual block-device driver that is intricately woven into the Linux kernel, DRBD ensures optimal local read performance while enabling efficient write-through replication to partner devices. The accompanying user-space tools, such as drbdadm, drbdsetup, and drbdmeta, enhance the management experience through declarative configuration, metadata handling, and comprehensive administration across various installations. Originally created for two-node HA clusters, the latest iteration, DRBD 9.x, has adapted to support multi-node replication and integrate smoothly into software-defined storage (SDS) systems like LINSTOR, broadening its utility in cloud-native environments. This progression underscores the increasing necessity for resilient data management solutions in today's complex technological landscape, highlighting the importance of adaptability in meeting evolving demands.

Media

Media

Integrations Supported

Kubernetes

Integrations Supported

MySQL

API Availability

API Availability

Pricing Information

Pricing not provided

Pricing Information

Free
Free Version

Supported Platforms

SaaS

Supported Platforms

SaaS
Windows
Linux

Customer Service / Support

Web-Based Support

Customer Service / Support

Standard Support
Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Longhorn

Date Founded

2019

Company Location

United States

Company Website

longhorn.io

Company Facts

Organization Name

LINBIT

Date Founded

2001

Company Location

United States

Company Website

linbit.com/drbd/

Categories and Features

Block Storage

Not specified

Categories and Features

Block Storage

Not specified

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