Release Notes

This page documents production updates to Migrate for Compute Engine. You can periodically check this page for announcements about new or updated features, bug fixes, known issues, and deprecated functionality.

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4.5

For a list of builds for this release and others, see the Build history.

New features

Azure to GCP migration (Beta)

Version 4.5 introduces beta support for Azure to GCP migration. You can migrate VMs to Azure using Waves migration. Please note that in this version, a storage account is used per each VM migrated from Azure to GCP, which, pending on the storage account usage in your subscription, may limit the amount of concurrent migration you can do.

Migration of UEFI VMs to GCP and Shielded VMs

Version 4.5 introduces support for migration of UEFI-based VMs from on-prem to GCP. The system will automatically migrate UEFI-based VMs to GCP UEFI-enabled hosts. In addition, you can enable activation of the Shielded VMs secure boot feature in the runbook specs for waves.

Windows 2019

Version 4.5 introduces support for migrating Windows 2019 OS to GCP.

Note that when migrating Windows 2019 from Azure or AWS to GCP, you will need to explicitly add the license tag of Windows 2019 in the Runbook file.

Requirements and OS Support

See Requirements and Supported operating systems.

Known Issues

#131532690: Run-in-cloud and migration operations may fail for Windows Server 2016 workload when Symantec Endpoint Protection (SEP) is installed. This may also happen when SEP appears to be disabled.

Workaround: Modify workload Network interface bindings to remove the SEP option.

  1. Download Microsoft Network VSP Bind (nvspbind)
  2. Install Microsoft_Nvspbind_package.EXE into c:\temp.
  3. Open a command prompt as an Administrator and run the following:
    nvspbind.exe /d * symc_teefer2

#131614405: When the Velostrata Prep RPM is installed on SUSE Linux Enterprise Server 11, the VM obtains a DHCP IP address in addition to an existing static IP configuration. This issue occurs when the VM is started on-premises in a subnet that is enabled with DHCP services.

Note: The issue does not occur when the subnet has no DHCP services. There is no connectivity impact for communications with the original static IP address.

#131548730: In some cases, when a VM is moved to Run-in-Cloud while a 3rd party VM-level backup solution holds a temporary snapshot, the Migrate for Compute Engine periodic write-back operations will not complete even after the backup solution deletes the temporary snapshot. The uncommitted writes counter on the VM will show an increasing size and no consistency checkpoint will be created on-premises.

Workaround: Select the Run On-Premises action for the VM and wait for the task to complete, which will commit all pending writes. Then select the Run-in-Cloud action again. Note that committing many pending writes may take a while. Do not use the Force option as this will result in the loss of the uncommitted writes.

#131637800: After registering the Velostrata plug-in, running the Cloud Extension wizard might generate an error "XXXXXXXXXX" upon "Finish".

Workaround: Un-register the Velostrata plug-in and restart the vSphere Web client service, then re-register the plug-in. Contact support if the issue persists.

#131605387: vCenter reboot causes Velostrata tasks in vCenter to disappear from UI. This is a vCenter limitation.

Workaround: Use the Velostrata PowerShell module to monitor Velostrata managed VMs or Cloud Extensions tasks that are currently running.

#131638716: With an ESXi host in maintenance mode, if a VM is moved to cloud, the operation will fail and get stuck in the rollback phase.

Workaround: Manually cancel the Run-in-Cloud task, migrate the VM to another ESXi host in the cluster and retry the Run-in-Cloud operation.

#131638455: A Run-in-Cloud operation fails with the error - "Failed to create virtual machine snapshot. The attempted operation cannot be performed in the current state (Powered off)".

Workaround: The VMware VM snapshot file may be pointing to a non-existent snapshot. Contact support for assistance in correcting the issue.

#131534862: In rare cases, after running a Workload back on-premises - Workload VMDK's are locked. In certain cases, this is due to network disruptions between the Velostrata management appliance and the ESXi host on which the workload is running.

Note: The issue will resolve itself after 1-2 hours.

#131550214: During Detach, the operation might fail with the following error message: "Operation was canceled".

Workaround: Retry the Detach operation.

#131650367: When performing a detach after a cancel detach operation, the action may fail.

Workaround: Retry the operation.

#131649978: In the event of certain system failures, Velostrata components disconnect from vCenter. In this case, an event may not be sent, resulting in the alarm either not being set properly or not being cleared properly.

Workaround: Clear the alarm manually in vCenter.

#131532549: For workloads with a Windows machine using a retail license, when returning from the cloud, the license is not present.

Workaround: Reinstall the license.

#131555885: vCenter "Export OVA" operation is available when the VM in cloud is running in cache mode, however, this operation results in a corrupted OVA.

Workaround: Only create OVA after the detach.

#131647857: In rare cases, when a cloud component instance is created and system fails before it is tagged, the instance will remain untagged. This will not allow full clean-up or repair of the CE.

Workaround: Manually tag the instance, and then run "Repair".

#131537125: Cloud Extension high availability does not work for workloads running Ubuntu OS with LVM configuration.

Workaround: Update the kernel to 3.13.0-161 or higher.

#131560126: Suse12: Due to a bug in SUSE kernel older than 4.2, configurations that include BTRFS mounts with subvolumes are not supported.

Workaround: Upgrade to SUSE version with Kernel >=4.2 (SP2).

#131533480: When using the Create Cloud Extension wizard, using an illegal HTTP proxy address will not generate a warning message.

Workaround: Delete the CE and then create the CE with a valid HTTP proxy address.

#131647654: Run on-premises operation succeeded but the status is marked as failed with error "Failed to consolidate snapshots"

Workaround: Consolidate snapshots via vCenter, and clear the error manually.

#131558198: PowerShell client for cloud to cloud Runbook reports errors when running on PowerShell 3.0

Workaround: Upgrade to PowerShell 4.0

#131533056: When migrating RHEL 7.4 from AWS to GCP, GCP agent will not be installed automatically.

Workaround: Manually remove the AWS agent and install GCP agent

#131532713: After Offline Migration of Windows 2003R2, if a NIC is manually deleted, it may be impossible to auto-detect and automatically reinstall it.

Workaround: The VM storage can be attached to a different VM, and the NIC Registry entry could be imported manually using a similar VM as a reference. Contact support for assistance.

#131532666: Linux versions running with kernel version 2.6.32 may experience a kernel panic on ephemeral storage access failures; these are more likely while streaming over iSCSI.

Workaround: Upgrade your kernel. The issue will also reduce in likelihood after Detach.

#131532846: Certain firewalls and anti-viruses may cause Windows VMs to fail when moved to cloud by blocking iSCSI traffic.

Workaround: Disable the affecting service while migrating and reinstall after Detach.

#131532882: In certain cases, initiating Run in Cloud during a Windows update may cause the update to terminate abruptly and cause a failure to boot in the cloud.

Workaround: Allow the system to finish Windows update and/or suspend Windows updates before migrating.

#135664281: When completing or canceling Azure to GCP migration, if Velostrata Management failed to start the importer, Velostrata-created resources may be left in the original instance's resource group.

#133137658: Scenario: No network connection between Migration Manager and VSphere

Customer Impact: RunInCloud task will stay stuck due to failure in call to getReadSessions on VSphere.

Workaround: Fix the network connection. If not, cancel the task and try again.

#135573857 Scenario: When moving a VM back on-prem with "force" flag, failure to consolidate snapshot will cause the VM to remain as managed by Velostrata. RunInCloud on the same VM may fail since it is not allowed on managed VMs.

Workaround: Wait a couple of minutes and try again.

#137082702: In rare cases, the Cancel detach operation succeeds but the VM instance will fail to start.

Workaround: Move the instance back and move it again to the cloud.

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