> CommCell Console > Backup and Restore Agents > Virtualization > Virtual Server Agent > Cross-Hypervisor Restores (Virtual Machine Conversion) > Converting from VMware or Hyper-V to Amazon

VM Conversion Using EBS Direct APIs

Verify that your environment meets the requirements for converting a VM to Amazon EC2 using EBS Direct API.

EBS direct API restores run faster VM conversions and attach Amazon EBS volume restores across regions, availability zones (AZ), and accounts. You can write data to the Amazon EBS snapshots using the EBS Direct API without the need to create and attach Amazon EBS volumes to the access node.

For Amazon EBS volumes that were created from Amazon EBS snapshots, the storage blocks must be pulled down from Amazon S3 and written to the Amazon EBS volume before you can access them. This preliminary action takes time and can cause a significant increase in the latency of I/O operations the first time each block is accessed. Amazon EBS volume performance is achieved after all blocks have been downloaded and written to the Amazon EBS volume.

Supported VMware Guest Operating Systems

Windows

  • Microsoft Windows Server 2008 R2 (Standard, Web Server, Datacenter, Enterprise) (64-bit only). For VM conversion or live sync replication of guest VMs that run Windows Server 2008 R2 versions.

    Note

    For Windows Server 2008 R2 and later, validation might fail for the converted instance in AWS. To resolve this issue, set the RealTimeIsUniversal registry key on the source VM as described in the AWS article Configure time settings for Windows Server 2008 and later, and then perform a new backup to use as the source for the conversion or replication.

  • Microsoft Windows Server 2012 (Standard, Datacenter) (64-bit only)

  • Microsoft Windows Server 2012 R2 (Standard, Datacenter) (64-bit only) (Nano Server installation not supported)

  • Microsoft Windows Server 2016 (Standard, Datacenter) (64-bit only)

  • Microsoft Windows Server 1709 (Standard, Datacenter) (64-bit only)

  • Microsoft Windows Server 1803 (Standard, Datacenter) (64-bit only)

  • Microsoft Windows Server 2019 (Standard, Datacenter) (64-bit only)

  • Microsoft Windows 10 (Home, Professional, Enterprise, Education) (US English) (64-bit only)

Linux

  • CentOS 7.x

  • CentOS 8.x

  • Oracle Linux 6.x

  • Oracle Linux 7.x

  • Oracle Linux 8.x

  • Red Hat Enterprise Linux (RHEL) 7.x

  • Red Hat Enterprise Linux (RHEL) 8.x

  • SUSE Linux Enterprise Server 15 and above

  • Ubuntu 14.04

  • Ubuntu 14.10

  • Ubuntu 15.04

  • Ubuntu 16.04

  • Ubuntu 16.10

  • Ubuntu 17.04

  • Ubuntu 18.04

  • Ubuntu 20.04

  • Ubuntu 21.10

  • Ubuntu 22.x

Supported Volume and File System Types

Windows

EC2 Instances with Amazon EBS volumes that use Master Boot Record (MBR) and GUID Partition Table (GPT) partitioning are supported.

The MBR and GPT formatted volumes are supported for both OS and data volumes for both Windows and Linux operating systems.

Linux

You can convert Linux VMs that use one of the following for the root file system: ext2, ext3, ext4, Btrfs, JFS, or XFS.

VM Conversion to Amazon EC2 Process

The process that converts a VM to Amazon EC2 using the EBS Direct API to perform a restore operation is as follows:

  1. Create empty Amazon EBS snapshots in the destination zone, region, or account using the ebs:StartSnapshot API.

  2. Write backup data retrieved from the Commvault storage library, and write to newly created Amazon EBS snapshot, using the ebs:PutSnapshotBlock API.

  3. Complete the Amazon EBS snapshots using the ebs:CompleteSnapshot API.

  4. Create Amazon EBS volumes from Amazon EBS snapshots.

    Note

    Amazon EBS volumes provisioned from snapshots will required initialization to achieve production performance. See Initialize Volumes.

  5. Create an instance and attach the new Amazon EBS volumes.

  6. Delete the Amazon EBS snapshots created.

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