Red Hat High Availability

Clustering add-on for RHEL servers
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Publisher

Red Hat

Subcategories

Enterprise Linux Subscriptions

Average rating

Deze score is berekend door AI op basis van publiek beschikbare informatie.
4.5 / 5

About this software

Red Hat High Availability Add-On is a subscription add-on for Red Hat Enterprise Linux that provides managed failover and cluster services. It bundles Pacemaker and Corosync for cluster resource management and messaging, includes resource and fencing agents, and management tools such as the pcs CLI and web GUI. The add-on can manage common enterprise applications including SAP, Apache, PostgreSQL, and DB2, and supports remote nodes and multisite configurations.

Licenses & prices

Standard

Standard provides core Red Hat High Availability clustering components, support, and lifecycle integration for production RHEL environments.

Le

Le offers a reduced-feature, limited-support variant of Red Hat High Availability for non-production or constrained deployments.

Purchase

Red Hat High Availability

Red Hat High Availability
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€4.84
Free and without obligation

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Benefits

  • Service failover: Automatically restarts or moves failing services to other cluster nodes.
  • Cluster management tools: Provides pcs CLI and a web GUI for cluster configuration.
  • Fencing support: Includes fencing agents and STONITH to isolate failed nodes.
  • Resource agents: Ships resource agents to manage common services and custom applications.
  • Scalability options: Supports remote nodes and QDevice for extended or multisite clusters.

Available languages

  • English

Support information

  • Documentation and guides: Red Hat publishes product documentation and deployment guides for supported RHEL versions.
  • Knowledgebase articles: Support policies and KB articles detail configuration and environment limitations.
  • Subscription required: Product functionality and official assistance require an active Red Hat subscription for the add-on.
  • Cloud and virtualization guidance: Red Hat documents support conditions for cloud providers, such as AWS EC2 membership requirements.
  • Compatibility matrices: Package manifests and release notes list supported packages and any architecture-specific details.

Frequently asked questions

What is Red Hat High Availability used for?
Red Hat High Availability provides clustering software to minimize downtime by detecting failures and automating failover of applications and services.
What components are included in Red Hat High Availability?
Typical components include a cluster manager, resource agents to control services, fencing mechanisms, integration with shared storage and monitoring tools.
Which workloads can Red Hat High Availability protect?
It is used to protect stateful applications such as databases, clustered file systems, middleware, and IP-based services across multiple nodes.
How does failover and recovery work in Red Hat High Availability?
Failover is handled by monitoring resource health and relocating services to available nodes, with fencing to isolate failed nodes and avoid split-brain.