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StoneFly Migrate
Castro Valley, Hayward, California, United States
What it is
StoneFly Migrate moves unstructured NFS and CIFS/SMB data volumes over a LAN or WAN. It supports scheduled migration jobs and real-time replication for CIFS or NFS volumes. Files are divided into smaller data sets, transferred in parallel, and recombined at the destination. Hash checks verify each shard, allowing a corrupted shard to be retransferred without sending the whole file again.
The software analyzes CPU, memory, and network resources and dynamically assigns resources to processes. A centralized console manages jobs and monitors resource use in real time. StoneFly presents it for moving NAS volumes to new appliances, migrating during maintenance, offloading infrequently accessed data to capacity tiers, and syncing critical volumes. The product is free, has no data transfer limit, and is not a free trial. It is delivered as an OVA virtual machine compatible with VMware. For physical NAS to virtual NAS transfers, both appliances must be on the same subnet. File transfers can be encrypted. Technical support and professional services are sold separately.
For and against
For
- Supports scheduled jobs and real-time replication
- Retransfers corrupted shards individually
- No data transfer limit
- Free software, not a trial
- Supports transfer encryption
Against
- Technical support and professional services cost extra
- Physical-to-virtual NAS transfers require the same subnet
- Delivered as a VMware-compatible OVA virtual machine
The verdict
StoneFly Migrate provides scheduled migration and real-time replication with shard-level integrity checks and no transfer limit. Check the subnet requirement for physical-to-virtual NAS transfers and account for support being sold separately.
Who it suits
It suits teams moving or synchronizing NFS and CIFS/SMB volumes across physical or virtual NAS environments. The listed use cases include appliance changes, maintenance moves, capacity tiering, and syncing critical volumes.
Plans and prices
StoneFly Migrate
Free software · no data transfer limit · technical support and professional services sold separately
Read 8 Oct 2026 · stonefly.com
On the record
- Capacity limit
- The FAQ says there is no data transfer limit and users can migrate as many terabytes as needed for free.stonefly.com · read 8 Oct 2026
- Deployment
- StoneFly's setup guide says the software is delivered as an OVA virtual machine and is compatible with VMware.stonefly.com · read 8 Oct 2026
- Hypervisors
- The FAQ lists VMware, Hyper-V, KVM, Citrix, and XenServer for virtual NAS deployments.stonefly.com · read 8 Oct 2026
- Integrity checks
- Hash checks verify individual data shards, and a corrupted shard can be retransferred without sending the whole file again.stonefly.com · read 8 Oct 2026
- Management
- A centralized console manages migration jobs and monitors resource consumption in real time.stonefly.com · read 8 Oct 2026
- Migration workflows
- It supports scheduled migration jobs and real-time replication for CIFS or NFS volumes.stonefly.com · read 8 Oct 2026
- Network constraint
- For physical NAS to virtual NAS transfers, the FAQ says both NAS appliances must be on the same subnet.stonefly.com · read 8 Oct 2026
- Purpose
- StoneFly Migrate transfers unstructured NFS and CIFS/SMB data volumes over LAN or WAN.stonefly.com · read 8 Oct 2026
- Resource management
- The software analyzes CPU, memory, and network resources and dynamically allocates them to processes.stonefly.com · read 8 Oct 2026
- Security and compliance
- StoneFly's setup guide says users can encrypt file transfers to protect them from unauthorized access and support compliance with industry-standard regulations.stonefly.com · read 8 Oct 2026
- Support
- The free software does not include technical support or professional services; StoneFly says those can be purchased separately.stonefly.com · read 8 Oct 2026
- Transfer method
- Files are split into smaller data sets, transferred in parallel, and recombined at the destination.stonefly.com · read 8 Oct 2026
- Trial
- The product FAQ says the software is available free and explicitly says it is not a free trial.stonefly.com · read 8 Oct 2026
- Use cases
- The product is presented for moving NAS volumes to new appliances, moving data during maintenance, offloading infrequently accessed data to capacity tiers, and syncing critical volumes.stonefly.com · read 8 Oct 2026
