Audience
IT teams and system administrators requiring a solution offering automated high availability and disaster recovery
About 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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SIOS DataKeeper
SIOS DataKeeper is a host‑based, block‑level replication solution that delivers real‑time, synchronous or asynchronous redundancy for Windows Server environments, integrating seamlessly with Windows Server Failover Clustering (WSFC). It enables "SANless" clusters—eliminating dependency on shared‑storage arrays—by replicating data across local, virtual, or cloud servers, including VMware, Hyper‑V, AWS, Azure, and Google Cloud Platform, while offering optimized performance without requiring hardware accelerators or compression devices. Once installed, it provides a new SIOS DataKeeper Volume resource in WSFC, supporting geographically dispersed clusters via cross‑subnet failover and configurable heartbeat parameters. Built-in WAN optimization and efficient compression maximize bandwidth use over local and wide‑area networks.
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NetApp MetroCluster
NetApp MetroCluster configurations implement two physically separated, mirrored ONTAP clusters that operate in concert to deliver continuous data and SVM protection. Each cluster synchronously replicates its data aggregates to its partner to maintain identical copies mirrored across both sites. In the event of a site failure, administrators can activate the mirrored SVM on the surviving cluster and resume data serving seamlessly. MetroCluster supports both fabric-attached (FC) and IP-based cluster setups: fabric-attached MetroCluster uses FC transport for SyncMirror between sites, while MetroCluster IP leverages layer‑2 stretched IP networks. Stretch MetroCluster deployments enable campus-wide coverage, MetroCluster IP supports configurations up to four nodes with NVMe/FC or NVMe/TCP starting in ONTAP 9.12.1/9.15.1, and front-end SAN protocols like FC, FCoE, and iSCSI are all supported.
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Rocket iCluster
Rocket iCluster high availability/disaster recovery (HA/DR) solutions ensure uninterrupted operation for your IBM i applications, providing continuous access by monitoring, identifying, and self-correcting replication problems. iCluster’s multiple-cluster administration console monitors events in real-time on the classic green screen and the modern web UI. Rocket iCluster reduces downtime related to unexpected IBM i system interruptions with real-time, fault-tolerant, object-level replication. In the event of an outage, you can bring a “warm” mirror of a clustered IBM i system into service within minutes. iCluster disaster recovery software ensures a high-availability environment by giving business applications concurrent access to both master and replicated data. This setup allows you to offload critical business tasks such as running reports and queries as well as ETL, EDI, and web tasks from your secondary system without affecting primary system performance.
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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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Company Information
SIOS Technology Corp.
Founded: 1999
United States
us.sios.com/products/sios-lifekeeper-for-windows/
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