HVDRS

1.2.1

Hyper-V Distributed Resource Scheduler — VM Happiness-based compute and storage load balancing for Failover Clusters, with affinity/anti-affinity rule enforcement

Minimum PowerShell version

5.1

Installation Options

Copy and Paste the following command to install this package using PowerShellGet More Info

Install-Module -Name HVDRS

Copy and Paste the following command to install this package using Microsoft.PowerShell.PSResourceGet More Info

Install-PSResource -Name HVDRS

You can deploy this package directly to Azure Automation. Note that deploying packages with dependencies will deploy all the dependencies to Azure Automation. Learn More

Manually download the .nupkg file to your system's default download location. Note that the file won't be unpacked, and won't include any dependencies. Learn More

Owners

Copyright

(c) 2026 Jason Huebel. Licensed under the MIT License.

Package Details

Author(s)

  • Jason Huebel

Tags

Hyper-V HyperV DRS FailoverCluster LoadBalancing VirtualMachine VM LiveMigration StorageMigration CSV ClusterSharedVolume Affinity WindowsServer Automation

Functions

Invoke-HvDRS Enable-HvDRSMaintenance Disable-HvDRSMaintenance Get-HvDRSMaintenanceStatus Add-HvDRSAffinityRule Get-HvDRSAffinityRule Remove-HvDRSAffinityRule Set-HvDRSAffinityRule Test-HvDRSAffinityCompliance Invoke-HvStorageDRS

Dependencies

This module has no dependencies.

Release Notes

## 1.2.1
- Documentation only: promoted PowerShell Gallery install to the recommended option in INSTALL.md
- Updated README Quick Start to use Install-Module instead of Copy-Item

## 1.2.0
- Added per-cluster scoping for affinity/anti-affinity rules
- Rules stored in shared JSON file are now filtered by ClusterName at load time
- Add-HvDRSAffinityRule, Get-HvDRSAffinityRule, Remove-HvDRSAffinityRule all accept -ClusterName
- Same rule name may now exist independently across different clusters

## 1.1.0
- Added Storage DRS (Invoke-HvStorageDRS): CSV space and latency happiness scoring,
 greedy storage migration planner, Move-VMStorage execution
- Added affinity/anti-affinity rules (VmVmAffinity, VmVmAntiAffinity, VmHostAffinity,
 VmHostAntiAffinity) with hard (enforced) and soft enforcement modes
- Added two-pass migration planner: compliance pass fixes hard violations first,
 happiness pass applies rule impact scoring
- Added Test-HvDRSAffinityCompliance for live placement auditing

## 1.0.0
- Initial release: VM Happiness scoring, compute DRS, Network-Aware destination
 filtering, aggression levels 1–5, maintenance mode

FileList

Version History

Version Downloads Last updated
1.2.1 (current version) 5 6/19/2026
1.2.0 3 6/19/2026