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This script checks if the iovDisableIR setting is set to FALSE.
<#
.SYNOPSIS
This script checks if the iovDisableIR setting is set to FALSE.
.DESCRIPTION
The script checks the current setting of the Intel IOMMU interrupt remapper (iovDisableIR).
The script needs a single parameter:
- vSphere Cluster
History
v0.2: Under development
.EXAMPLE
Get-iovDisableIRSetting -Cluster LAB
.NOTES
Author: Patrick Terlisten, patrick@blazilla.de, Twitter @PTerlisten
This script is provided 'AS IS' with no warranty expressed or implied. Run at your own risk.
This work is licensed under a Creative Commons Attribution NonCommercial ShareAlike 4.0
International License (https://creativecommons.org/licenses/by-nc-sa/4.0/).
ESXi hosts running ESXi 5.5 Patch 10, 6.0 Patch 4, 6.0 U3, or 6.5 may fail with a purple diagnostic screen
caused by non-maskable-interrupts (NMI) on HPE ProLiant Gen8 Servers.
Important vendor links:
ESXi host fails with intermittent NMI PSOD on HP ProLiant Gen8 servers (2149043)
https://kb.vmware.com/kb/2149043
Advisory: (Revision) VMware - HPE ProLiant Gen8 Servers running VMware ESXi 5.5 Patch 10, VMware ESXi 6.0 Patch 4,
or VMware ESXi 6.5 May Experience Purple Screen Of Death (PSOD): LINT1 Motherboard Interrupt
http://h20564.www2.hpe.com/hpsc/doc/public/display?docId=emr_na-c05392947
.LINK
http://www.vcloudnine.de
#>
#Requires -Version 3.0
#Requires -Module VMware.VimAutomation.Core
# Parameter
Param (
[Parameter(Mandatory = $true)]
[string]$cluster = "Name of the vSphere Cluster"
)
# Get the ESXi hosts from the given cluster
$Hosts = Get-Cluster $cluster | Get-VMhost
# Create an empty array for the PowerShell object
$Results = @()
# Looping through the VMHosts
$Hosts | ForEach-Object {
$EsxCliv2 = Get-EsxCli -V2 -VMHost $_
$Arguments = $EsxCliv2.system.settings.kernel.list.CreateArgs()
$Arguments.option = "iovDisableIR"
$Output = $EsxCliv2.system.settings.kernel.list.Invoke($Arguments)
# Get the vendor and model of the current VMHost
$Model = $_ | Get-View | Select-Object @{N = 'Model'; E = {$_.Hardware.SystemInfo.Vendor + ' ' + $_.Hardware.SystemInfo.Model}}
# Properties for the PowerShell object
$PSOProps = @{
VMHost = $_.name
Model = $Model.Model
iovDisableIR = $Output.configured
}
$Results += New-Object -TypeName psobject -Property $PSOProps
}
# Getting a list of the affected hosts by filtering the output for iovDisableIR = TRUE and server models with "Gen8"
$AffectedHosts = $Results | ? {$_.iovDisableIR -eq 'TRUE' -and $_.Model -like '*Gen8'} | Select-Object VMhost
$Count = ($AffectedHosts).Count
If ($Count -gt 0) {
Write-host `n
Write-Host -ForegroundColor Red "$Count hosts are affected. Please set iovDisableIR to FALSE on the affected hosts. The following hosts are affected:"
$AffectedHosts
}
else {
Write-host `n
Write-Host -ForegroundColor Green "None of your hosts seeems to be affected."
}
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