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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DxEnterprise
DxEnterprise Smart High Availability is an infrastructure-agnostic software solution that simplifies management and network security for mission-critical SQL Server workloads across modern hybrid and multi-cloud environments. It frees organizations from vendor lock-in and gives them the power to create SQL Server Availability Group clusters containing any mix of OSes, containers, virtual machines, bare-metal, and cloud servers. Organizations unlock:
- Granular database-level monitoring with intelligent automated failover
- Nearest-to-zero SQL Server downtime for Windows, Linux, and containers
- Easy stretch clusters across sites and clouds for robust disaster recovery
Built-in Zero Trust Network Access tunneling allows users to securely deploy HA clusters that span from anywhere, to anywhere, without VPNs or direct links.
DxEnterprise also comes standard with DxOperator by DH2i, Microsoft’s preferred Operator for Kubernetes (K8s) SQL Server deployments.
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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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IBM PowerHA SystemMirror
IBM PowerHA SystemMirror provides a comprehensive high availability (HA) solution that ensures near-continuous application uptime with advanced failure detection, failover, and recovery features. It offers a simplified, integrated configuration that addresses storage and HA needs while allowing users to manage their clusters through a single pane of glass. Available for IBM AIX and IBM i operating systems, PowerHA supports multisite disaster recovery configurations and automation to reduce administrative effort. It incorporates IBM SAN storage systems like DS8000 and Flash Systems into HA clusters for robust data protection. Licensed per processor core with maintenance included for the first year, PowerHA delivers economic value for on-premises deployments. The technology helps enterprises eliminate planned and unplanned outages while monitoring system health proactively.
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