StorPool is a software-defined storage solution for building high-performance storage systems.
Contact for pricing
Best SIOS DataKeeper Alternatives ranked by AI · updated Aug 2026
✅ Update queued — the AI is re-ranking this list. The page will refresh shortly.
This page is already up to date.
SIOS DataKeeper provides host-based block-level replication for Windows and Linux servers, commonly paired with clustering software for high availability. It is aimed at organizations protecting applications across local or geographically separated nodes.
Top 6 SIOS DataKeeper alternatives
Ceph is a distributed object, block, and file storage platform.
Free and open-source
DRBD Proxy is a commercial companion to DRBD that improves block-level replication across high-latency or bandwidth-constrained networks. It is designed for Linux...
Pros
- Improves DRBD replication across high-latency WAN links
- Supports asynchronous replication without changing the underlying DRBD resource design
- Can buffer replication data during temporary network interruptions
Cons
- Requires DRBD and is not a standalone replication platform
- Commercial licensing adds cost to an otherwise open-source DRBD stack
- Linux-focused and less suitable for heterogeneous environments
Contact LINBIT
StarWind Virtual SAN is software-defined shared storage for virtualized servers and hyperconverged infrastructure, aimed primarily at SMBs and midmarket IT teams. It...
Pros
- Supports mixed hypervisor environments more broadly than many hypervisor-specific VSAN products
- Can run on commodity server hardware instead of requiring a proprietary appliance
- Free edition is useful for small two-node deployments
Cons
- Smaller ecosystem and market presence than VMware vSAN or Nutanix
- Advanced enterprise support and pricing are less transparent than open-source alternatives
- Requires careful network and hardware design for reliable performance
Free edition available; paid plans N/A
OpenZFS is an open-source storage platform combining a pooled filesystem with volume management, checksumming, snapshots, and replication features. It is suited to...
Pros
- Offers strong checksumming, snapshots, scrubbing, and replication
- Provides pooled storage with configurable redundancy layouts
- More comprehensive data-integrity features than mhddfs
Cons
- Requires organizing disks into ZFS pools rather than merging existing directories
- Uses more memory and administration effort than mhddfs
- Expanding pools and changing vdev layouts has important constraints
6
Veritas InfoScale
Veritas Technologies
Veritas InfoScale is an enterprise availability and storage-management platform that protects databases and applications across data centers and clouds. It combines clustering,...
Pros
- Broad support for enterprise databases, applications, and storage platforms
- Combines availability, replication, and storage management in one suite
- Strong tooling for complex multi-data-center environments
Cons
- Heavier deployment and administration footprint than DxEnterprise
- Typically more expensive and complex for SQL Server-only environments
- Requires specialized Veritas expertise for troubleshooting
Custom quote
How good are these alternatives?
Your feedback helps us improve the AI rankings.
✅ Thanks for your feedback!
Know a better alternative? 🙌
Suggest a product and our AI will verify it's a real alternative to SIOS DataKeeper before adding it to the list.