Optimizing Hyper-V Live Migrations on an Hyperconverged Infrastructure

Thanks, added this to a larger S2D implementation as a safety measure.

Our setup has dedicated NIC´s and switches for SMB and Live Migration (ConnectX-4, 2x25Gbe and SN2100). I´ll run some testing to see how LM performance and blackout windows are effected.

$hostcluster = "CLUXXXXXX"

$clunodes = Get-clusternode -Cluster $hostcluster

foreach ($clunode in $clunodes ) {
Invoke-Command -ComputerName $clunode -ScriptBlock {
Add-WindowsFeature -Name FS-SMBBW
}
}

foreach ($clunode in $clunodes ) {
Invoke-Command -ComputerName $clunode -ScriptBlock {
Set-SmbBandwidthLimit -Category LiveMigration -BytesPerSecond 750MB
Set-VMHost -MaximumVirtualMachineMigrations 2
}
}