From StoneFly, Purpose-Built 4-Bay to 36-Bay Data Transfer Devices for Live VM Migration

StoneFly, Inc. has introduced Data Transfer Devices (DTDs) for live VM migration with support for VMFS, NFS, vSAN protocols and VMware environments (physical + cloud).

What is Live VM migration?
Live VM migration is the transfer of VMs from source to target site without disrupting access or read-write operations.

Typically, VM migrations involve a tedious backup and restore process. You have to backup VMs, transfer the backups to the target site and then restore them there. Additionally, while implementing the transfer, you have to unhook or dismount your VMs to avoid data loss or synchronization issues between the before and after states of the VMs.

As opposed to that, Live VM migration does not need to dismount or unhook your VMs. Applications and end-users can continue accessing the VMs while transferring them from the source to the target site.

How Live VM migration works?

The process can be divided into 3 phases: before VM migration, transfer or shipping of the DTD, and after VM migration.

Before VM migration
The VMware VMFS, NFS and vSAN files are transferred to the firm’s DTD appliance.

Transfer or shipping of DTD
The appliance is shipped to the target site and connected with the target servers. The VM data is transferred from the DTD appliance to the target site.

Meanwhile, all the ‘newly’ written data is tracked in background.

After VM migration
After the DTD has finished offloading, the VM migration software checks for the successful transfer. Once data integrity checks are complete, the newly written data is synchronized over the wire between the source and target sites.

At this point, the migration is finished and you can remove the migration utility from your VMware environment.

Complete end-to-end VM migration solution and services
The company also offers services beyond the DTD hardware. The firm provides its customers the option of purchasing a complete end-to-end service that includes a VMware plug-in.

VM migration software provides features such as:

• Migration time estimation

• Individual or group VM migration

• Orchestration and automation

• Ease of management

The migration software is a one-time utility. That means that once you’ve completed the VM migration process; you can remove the plug-in and clean-up your VMware environment.

As part of the end-to-end solution, the company also provides professional services. Their migration experts guide users through the entire process from start to finish, ensuring that the VM migration is executed as accurately as possible.

Any-to-any VMware VM migration
With the Live VM migration solution, you can migrate your VMware VMs from:

• Physical-to-physical

• Physical-to-cloud

• Cloud-to-physical

• Cloud-to-cloud
  

For a limited time only, as part of the product launch, the company is offering special discounts on the DTD appliances.

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