Azure Storage Mover vs Cirrus Migrate Cloud

Azure Storage Mover moves files and folders from on-premises systems and cloud sources into Azure Storage. It can transfer to Azure Blob Storage or Azure Files from sources using SMB 2.x/3.x, NFS 3/4 or S3. Choose a one-time migration, recurring transfers, or a metadata-only run that creates folder structures and permissions without transferring file contents. Transfers can retain file structure, permissions, attributes and metadata. An Azure-hosted resource coordinates jobs, authentication and progress; agents scan and transfer data from on-premises systems or cloud virtual machines. For AWS S3-to-Azure moves, Azure Arc connectors provide source access and allow server-to-server copying without an agent. Transfers use HTTPS, and Private Link to storage accounts is optional. Storage Mover is free for on-premises-to-Azure and AWS-to-Azure scenarios, though standard storage, transaction and networking charges apply. Resources can be created in six listed regions, while data can be ingested into all Azure public regions. Microsoft reports no per-job file or directory limit and testing up to 500 million objects in on-premises scenarios.

Cirrus Migrate Cloud is a web-based service for moving block-storage data to and between cloud environments. It can migrate data while workloads remain in use, helping organizations continue operating during the move. Cirrus Data says its Transparent Data Intercept and cMotion technologies support minimal-downtime migrations. The service provides more than 30 block-storage plugins, automated migration operations, predefined playbooks, actionable insights, cutover orchestration, and migration reporting. It supports Windows and Linux workloads and is described as working with any block-storage vendor or public cloud, with migrations from hypervisors, bare metal, or hosted environments. It is available through the AWS, Microsoft Azure, and Oracle Cloud marketplaces. Cirrus Data says data is encrypted in flight using AES 256-bit encryption; its Customer Center offers basic and premium support 24x7x365. The general service is paid with pricing on request, and its product page invites visitors to schedule a demo. A separate Amazon FSx for NetApp ONTAP trial offers 1 TB free for 30 days. The service is aimed at organizations moving block storage across on-premises, cloud, and multicloud environments.