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What is Submariner?

With the growing adoption of Kubernetes, businesses are increasingly recognizing the importance of managing and deploying multiple clusters to ensure vital functionalities like geo-redundancy, scalability, and fault isolation for their applications. Submariner allows applications and services to function effortlessly across different cloud providers, data centers, and geographic areas. To kick off this process, a Broker must be established on a single Kubernetes cluster, with the API server of this cluster being accessible to all other clusters linked via Submariner. This Broker can be hosted on a dedicated cluster or any of the existing connected ones. After Submariner is installed on a cluster with the necessary Broker credentials, it enables the sharing of Cluster and Endpoint objects between clusters by utilizing methods such as push, pull, and watching, thus creating connections and pathways to other clusters. It's vital that the worker node IP addresses in all linked clusters are outside the Pod and Service CIDR ranges to avoid conflicts. By adhering to these requirements, teams can fully leverage the advantages offered by multi-cluster configurations. This strategic approach not only enhances resilience but also optimizes resource allocation across diverse environments.

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.

Media

Media

Integrations Supported

Kubernetes

Integrations Supported

Kubernetes

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Submariner

Company Website

submariner.io

Company Facts

Organization Name

Longhorn

Date Founded

2019

Company Location

United States

Company Website

longhorn.io

Categories and Features

Categories and Features

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