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VAST Cluster 5.4.5 Release Notes

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This release is only available for VAST on Cloud clusters.

New Features

VoC on AWS

VAST Cluster 5.4.5 introduces support for Polaris-based VAST on Cloud deployments on Amazon AWS.

To deploy a VoC cluster on AWS:

  • Ensure that your AWS account is configured with sufficient privileges.

  • Ensure that your local host has networking set up with the required ports open.

  • Sign in to the VAST Polaris for AWS portal.

  • Use VAST Polaris UI and VAST on Cloud CLI (vastcloud) to create a new AWS deployment.

For complete guidance and configuration details, see VAST Polaris Administrator's Guide.

Enhancements

Networking

  • Added user controls to manage allocation of virtual IP pools and DNS in VoC environments:

    • In VAST CLI, the vippool allocate, vippool reallocate, dns allocate commands

    • In VAST REST API, the /vippools/allocate/, /vippools/<pool ID>/reallocate/, /dns/allocate/ endpoints.

Resolved Issues

VAST on Cloud (VoC)

  • ORION-405554: Introduced an internal change to ensure that VAST on AWS clusters get AWS permissions required to take advantage of one of the upcoming features.

VAST REST API

  • ORION-409117: Made updates to ensure that users with the read-only administrative role cannot perform folder management actions via the respective VAST REST API endpoints.

Limitations

VAST on Cloud (VoC)

  • VAST Cloud (Polaris) UI does not provide an option to run a cluster upgrade. Cluster upgrades are to be performed using the VAST Web UI.
  • VAST on Cloud clusters do not support OS upgrade.
  • In the event of downtime, data is rebuilt while the cluster comes back online. In case of a subsequent failure during the rebuild, data integrity is not guaranteed.
  • ORION-327048: For VoC on GCP, it is recommended to have a multiple of 8 non-VMS VMs per cluster, since GCP has 8 failure domains and imbalance may result in failed stripe allocations.
  • ORION-145141: Creating a tenant with EKM encryption is not supported on VoC clusters.
  • ORION-113036: After you reregister the same VoC cluster in Uplink, information about the previously registered instance of this cluster is no longer available in Uplink.
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