Peer Global File Service vs StoneFly Migrate

Peer Global File Service (PeerGFS) replicates, manages, and synchronizes files across sites, platforms, clouds, and storage systems. It sends changes in real time for active-active file sharing, uses distributed file locking to help prevent conflicts, and transfers changed data rather than whole files through delta-level replication. The product supports SMB and NFS workloads and lists Windows and Linux file servers, NetApp, Nutanix Files, Dell systems, and cloud targets including S3 and Azure Blob. Microsoft DFS Namespaces can unify SMB access across sites and support failover and failback. Security descriptions include SSL-encrypted traffic up to AES-256, role-based controls through Active Directory, and monitoring for suspicious file activity. The product also lists local caching, edge synchronization, metadata and access preservation, cutover orchestration, and migration reporting. Capabilities depend on configuration: edge caching is limited to Windows file servers, and NFS supports only replication and synchronization jobs. Pricing is available on request. A trial request includes a guided proof of concept with the pre-sales team. Peer Software says it began in 1993.

StoneFly Migrate transfers unstructured NFS and CIFS/SMB data volumes over LAN or WAN. It supports scheduled migration jobs and real-time replication for those volumes, with a centralized console for managing jobs and monitoring resource consumption. Files are divided into smaller data sets, transferred in parallel and recombined at the destination. Hash checks verify individual shards; if one is corrupted, that shard can be retransferred rather than sending the whole file again. The software also analyzes CPU, memory and network resources and dynamically assigns them to processes.

StoneFly presents it for moving NAS volumes to new appliances, maintenance moves, offloading infrequently accessed data to capacity tiers and syncing critical volumes. The software is free, with no data-transfer limit, but technical support and professional services are sold separately. It is delivered as an OVA virtual machine and is compatible with VMware; the FAQ also lists VMware, Hyper-V, KVM, Citrix and XenServer for virtual NAS deployments. For physical NAS to virtual NAS transfers, both appliances must be on the same subnet. File transfers can be encrypted.