SIOS DataKeeperSIOS Technology Corp.
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Windows Server Failover ClusteringMicrosoft
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About
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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About
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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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
IT architects needing a solution to deliver high availability and disaster recovery for mission-critical applications
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Audience
IT administrators and system architects requiring a tool to build, manage, and maintain high‑availability and scalable server workloads
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
No information available.
Free Version
Free Trial
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Pricing
No information available.
Free Version
Free Trial
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Reviews/
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Reviews/
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationSIOS Technology Corp.
Founded: 1999
United States
us.sios.com/products/sios-datakeeper/
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Company InformationMicrosoft
Founded: 1975
United States
learn.microsoft.com/en-us/windows-server/failover-clustering/failover-clustering-overview
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Categories |
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Integrations
Microsoft Azure
Microsoft Hyper-V
Active Directory
Amazon Web Services (AWS)
Google Cloud Platform
IBM Db2
Microsoft Dynamics 365
Microsoft SharePoint
MySQL
Oracle Cloud Infrastructure
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Integrations
Microsoft Azure
Microsoft Hyper-V
Active Directory
Amazon Web Services (AWS)
Google Cloud Platform
IBM Db2
Microsoft Dynamics 365
Microsoft SharePoint
MySQL
Oracle Cloud Infrastructure
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