List of the Top 9 On-Prem High Availability Cluster Solutions in 2025

ScaleGrid is a comprehensive Database-as-a-Service (DBaaS) solution that automates tedious database management tasks, whether in the cloud or on-premises. With ScaleGrid, provisioning, monitoring, backing up, and scaling open-source databases becomes a straightforward process. The platform enhances your database deployments with advanced security features, high availability, query analysis, and troubleshooting assistance to optimize performance effectively. It currently supports a variety of databases including: - MySQL - PostgreSQL - Redis™ - MongoDB® - Greenplum™ (upcoming feature) Additionally, ScaleGrid is compatible with both public and private cloud environments, covering major providers like AWS, Azure, Google Cloud Platform (GCP), DigitalOcean, Linode, Oracle Cloud Infrastructure (OCI), VMware, and OpenStack. Thousands of developers, startups, and large enterprises like Accenture, Meteor, and Atlassian rely on ScaleGrid for their database needs. By managing all database operations at any scale, ScaleGrid allows you to focus on enhancing your application's overall performance and user experience. Its user-friendly interface and robust features make it a valuable tool for organizations of all sizes.

ClusterControl serves as a versatile orchestration platform for managing hybrid database operations across various cloud environments, supporting a range of databases such as MongoDB, Elasticsearch, Redis, TimescaleDB, and SQL Server on Linux, in addition to Galera Cluster, PostgreSQL, and MySQL for both cloud and on-premises setups. This platform efficiently manages the complete database lifecycle, encompassing deployment, failover, backup, and more, enabling organizations to adopt a Sovereign DBaaS model with a comprehensive array of database and operations functionalities. Ideal for businesses seeking to conduct extensive, open-source database operations with reliability, ClusterControl liberates users from the constraints typical of conventional DBaaS providers, offering flexibility in environment choice, license stability, and direct database access, ultimately empowering organizations to optimize their database management strategies more effectively.

Arctera InfoScale is a resilient solution designed to ensure high availability and protect businesses against unplanned disruptions in critical applications and infrastructure. Using immutable data checkpoints, InfoScale guarantees rapid recovery, reducing downtime from hours to mere minutes, a 98% reduction. The platform provides real-time protection and is built for seamless orchestration across hybrid cloud environments, ensuring that business services remain available regardless of where workloads are deployed. InfoScale’s application cyber resilience features automate responses to attacks, ensuring continuous service even during disruptions. With advanced encryption, unauthorized data access is blocked, and data exfiltration attempts are prevented. The platform supports complex multi-tier services, giving businesses the ability to quickly restore from secure snapshots and migrate workloads across physical, virtual, and cloud environments. InfoScale’s ability to support containerized applications and integrate with open-source systems offers businesses unparalleled flexibility. By optimizing disaster recovery processes and providing comprehensive visibility, it helps organizations proactively protect their applications and data.

Oracle Real Application Clusters (RAC) is a unique and robust database architecture that provides exceptional availability and scalability for both read and write operations across a wide range of workloads, including OLTP, analytics, AI data, SaaS applications, JSON, batch processing, text, graph data, IoT, and in-memory tasks. It efficiently manages complex applications, such as those from SAP, Oracle Fusion Applications, and Salesforce, while ensuring outstanding performance. By employing a specialized fused cache shared among servers, Oracle RAC guarantees rapid local data access, resulting in low latency and high throughput for various data needs. The architecture's capability to parallelize workloads across multiple CPUs enhances overall throughput, and Oracle's advanced storage solutions allow for seamless online expansion of storage. Unlike traditional databases that depend on public cloud infrastructure, sharding, or read replicas to improve scalability, Oracle RAC distinguishes itself by delivering top-tier performance with minimal latency and maximum throughput right from the outset. Additionally, this architecture is crafted to adapt to the shifting requirements of contemporary applications, rendering it a forward-thinking solution for businesses aiming for longevity and efficiency in their database operations. Its design not only ensures reliability but also positions organizations to tackle future challenges in data management effectively.

HPE Serviceguard for Linux (SGLX) is a robust clustering solution designed for high availability (HA) and disaster recovery (DR), aimed at ensuring continuous uptime for critical Linux workloads, whether they operate on-premises, in virtual environments, or across hybrid and public cloud infrastructures. It meticulously monitors application performance, services, databases, servers, networks, storage, and processes, and upon detecting any issues, it promptly triggers automated failover, typically in under four seconds, while upholding data integrity. Supporting both shared-storage and shared-nothing setups, SGLX utilizes its Flex Storage add-on to deliver highly available services like SAP HANA and NFS, particularly in scenarios where SAN is unavailable. The E5 edition, dedicated solely to HA, features zero-RPO application failover, comprehensive monitoring capabilities, and an intuitive workload-centric graphical interface for ease of use. On the other hand, the E7 edition combines HA and DR functionalities, offering features such as multi-target replication, one-click automated recovery, rehearsals for disaster recovery, and the ability to seamlessly move workloads between on-premises and cloud environments, thereby boosting operational resilience. This adaptability of SGLX makes it an indispensable tool for organizations striving to ensure uninterrupted service availability amidst potential disruptions, ultimately contributing to enhanced business continuity strategies.

SIOS DataKeeper is a sophisticated block-level replication tool designed specifically for environments based on hosts, offering real-time redundancy options that can be either synchronous or asynchronous for Windows Server configurations, and it integrates seamlessly with Windows Server Failover Clustering (WSFC). This cutting-edge solution allows for the establishment of "SANless" clusters, eliminating the requirement for shared-storage systems by enabling data replication across a range of local, virtual, or cloud servers, including VMware, Hyper-V, AWS, Azure, and Google Cloud Platform, all while maintaining high performance without needing specialized hardware accelerators or compression technologies. Upon installation, a new SIOS DataKeeper Volume resource is created within WSFC, which supports the configuration of geographically distributed clusters through cross-subnet failover and adaptable heartbeat settings. Furthermore, it incorporates built-in WAN optimization and efficient compression techniques that significantly enhance bandwidth usage in both local and wide-area networks, thus boosting overall network performance. This collection of features positions SIOS DataKeeper as a highly advantageous solution for organizations aiming to improve their data availability while circumventing the challenges associated with conventional storage methods. Adopting SIOS DataKeeper can lead to streamlined operations and reduced infrastructure costs for businesses navigating the complexities of modern data management.

SIOS LifeKeeper for Windows serves as a comprehensive solution focused on ensuring high availability and disaster recovery by integrating a variety of features, such as failover clustering, continuous application monitoring, data replication, and customizable recovery policies, which collectively drive an outstanding 99.99% uptime across diverse Microsoft Windows Server environments, including physical, virtual, cloud, hybrid-cloud, and multicloud configurations. System administrators have the versatility to create SAN-based or SANless clusters with a range of storage options, including direct-attached SCSI, iSCSI, Fibre Channel, or local disks, while also being able to choose between local or remote standby servers to meet high availability and disaster recovery needs effectively. The platform's real-time block-level replication, facilitated by the integrated DataKeeper, delivers WAN-optimized performance, incorporating nine distinct levels of compression, bandwidth throttling, and built-in WAN acceleration, which ensures efficient data replication across cloud regions or WAN networks without the need for extra hardware accelerators. This powerful solution not only bolsters operational resilience but also streamlines the management of intricate IT infrastructures, allowing organizations to focus on their core functions. In conclusion, SIOS LifeKeeper emerges as an essential resource for businesses that strive to achieve uninterrupted service and effectively protect their critical data assets while navigating the complexities of modern IT environments.

IBM Spectrum LSF Suites acts as a robust solution for overseeing workloads and job scheduling in distributed high-performance computing (HPC) environments. Utilizing Terraform-based automation, users can effortlessly provision and configure resources specifically designed for IBM Spectrum LSF clusters within the IBM Cloud ecosystem. This cohesive approach not only boosts user productivity but also enhances hardware utilization and significantly reduces system management costs, which is particularly advantageous for critical HPC operations. Its architecture is both heterogeneous and highly scalable, effectively supporting a range of tasks from classical high-performance computing to high-throughput workloads. Additionally, the platform is optimized for big data initiatives, cognitive processing, GPU-driven machine learning, and containerized applications. With dynamic capabilities for HPC in the cloud, IBM Spectrum LSF Suites empowers organizations to allocate cloud resources strategically based on workload requirements, compatible with all major cloud service providers. By adopting sophisticated workload management techniques, including policy-driven scheduling that integrates GPU oversight and dynamic hybrid cloud features, organizations can increase their operational capacity as necessary. This adaptability not only helps businesses meet fluctuating computational needs but also ensures they do so with sustained efficiency, positioning them well for future growth. Overall, IBM Spectrum LSF Suites represents a vital tool for organizations aiming to optimize their high-performance computing strategies.

Minimize unexpected system downtime and mitigate the risk of data loss due to corruption or failures. The SLE HA extension includes geo-clustering capabilities that enable the management of clustered servers, whether they are situated on-site or in cloud environments around the world. Our robust, policy-driven extension for Linux clusters guarantees that your business remains functional while drastically lowering instances of unplanned downtime across different regions and locations. By employing flexible, policy-oriented clustering and continuous data replication, adaptability is enhanced while improving service availability and resource efficiency through the integration of both physical and virtual Linux server clusters. A comprehensive, unified interface simplifies the installation, configuration, management, and monitoring of your clustered Linux environments. Furthermore, the multi-tenancy feature allows for the organization of geo clusters in accordance with distinct business needs, ensuring customized management and peak performance. This all-encompassing strategy not only fortifies system resilience but also bolsters operational efficiency, allowing your organization to thrive in a dynamic landscape. Embracing such advanced solutions ultimately positions your business for sustained success and competitiveness in the market.