NEC EXPRESSCLUSTER
NEC EXPRESSCLUSTER is a high-availability software solution designed to maximize business continuity and disaster recovery while preventing data loss. It supports recovery from hardware, network, and application failures without requiring costly shared storage disks. The software boasts a proven track record with over 17,000 customers worldwide and more than 30,000 cluster systems deployed over 20 years. EXPRESSCLUSTER supports various applications, including major databases like Microsoft SQL Server and Oracle DB, email servers, ERP systems, virtualization platforms, and cloud services such as AWS and Microsoft Azure. Key features include automatic failover, real-time data mirroring, and comprehensive failure detection across system resources. NEC’s software helps businesses reduce downtime, save costs, and ensure reliable IT operations across many industries globally.
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SIOS LifeKeeper
SIOS LifeKeeper for Windows is a comprehensive high-availability and disaster‑recovery solution that integrates failover clustering, continuous application monitoring, data replication, and flexible recovery policies to deliver 99.99 % uptime for Microsoft Windows Server environments—whether physical, virtual, cloud, hybrid‑cloud, or multicloud. Administrators can build SAN‑based or SANless clusters using a variety of storage types (direct‑attached SCSI, iSCSI, Fibre Channel, or local disk) and choose between local or remote standby servers that support both high availability and disaster recovery. LifeKeeper offers real‑time block‑level replication via bundled DataKeeper, with WAN‑optimized performance that includes nine levels of compression, bandwidth throttling, and integrated WAN acceleration, ensuring efficient replication across cloud regions or over WAN without hardware accelerators.
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Windows Server Failover Clustering
Failover Clustering in Windows Server (and Azure Local) enables a group of independent servers to work together to improve availability and scalability for clustered roles (formerly known as clustered applications and services). These nodes are interconnected via hardware and software, and if one node fails, another assumes its roles through an automated failover process. Clustered roles are actively monitored and, if they stop functioning, are restarted or migrated to maintain service continuity. The feature also supports Cluster Shared Volumes (CSVs), which provide a unified, distributed namespace and consistent shared storage access across nodes, reducing service disruptions. Typical uses include high‑availability file shares, SQL Server instances, and Hyper‑V virtual machines. Failover Clustering is supported on Windows Server 2016, 2019, 2022, and 2025, and in Azure Local environments.
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ScaleGrid
ScaleGrid is a fully managed Database-as-a-Service (DBaaS) platform that helps you automate your time-consuming database administration tasks both in the cloud and on-premises. Easily provision, monitor, backup and scale your open source databases with high availability, advanced security, full superuser and SSH access, query analysis, and troubleshooting support to improve the performance of your deployments. Supported databases include:
- MySQL
- PostgreSQL
- Redis™
- MongoDB® database
- Greenplum™ (coming soon)
The ScaleGrid platform supports both public and private clouds, including AWS, Azure, Google Cloud Platform (GCP), DigitalOcean, Linode, Oracle Cloud Infrastructure (OCI), VMware and OpenStack. Used by thousands of developers, startups, and enterprise customers including Atlassian, Meteor, and Accenture, ScaleGrid handles all your database operations at any scale so you can focus on your application performance.
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