Change ESXi DNS Settings

December 30, 2017 Leave a comment

Change ESXi DNS settings for all hosts attached to vCenter.

PowerShell
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Connect-VIServer {vCenter FQDN} -User {Username} -Password {Password}
 
$dnspri = read-host "Enter Primary DNS"
$dnsalt = read-host "Enter Alternate DNS"
 
# Prompt for Domain
$domainname = read-host "Enter Domain Name"
 
 
$esxHosts = get-VMHost
 
foreach ($esx in $esxHosts) {
 
   Write-Host "Configuring DNS and Domain Name on $esx" -ForegroundColor Green
   Get-VMHostNetwork -VMHost $esx | Set-VMHostNetwork -DomainName $domainname -DNSAddress $dnspri , $dnsalt -Confirm:$false
 
  
}
Write-Host "Done!" -ForegroundColor Green
 
disconnect-viserver * -force -Confirm:$false

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Add VMKernal Ports to ESXi Host connected to vCenter

November 22, 2017 Leave a comment

Add VMKernal Ports to ESXi Host connected to vCenter

PowerShell
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#Configure VMKernal Ports on ESXi Host
CLS
Connect-VIServer {vCenter FQDN} -User {Username} -Password {Password}
 
$vDS1 = Get-VirtualSwitch -VMHost {ESXi Host} -Name {"vDS Name"}
 
New-VMHostNetworkAdapter -VMHost {ESXi Host} -VirtualSwitch $vDS1 -PortGroup {'PortGroup1 Name'} -IP {PortGroup1 IP} -SubnetMask 255.255.255.0 -MTU {MTU Size 1500}
New-VMHostNetworkAdapter -VMHost {ESXi Host} -VirtualSwitch $vDS1 -PortGroup {'PortGroup2 Name'} -IP {PortGroup2 IP} -SubnetMask 255.255.255.0 -MTU {MTU Size 9000}
New-VMHostNetworkAdapter -VMHost {ESXi Host} -VirtualSwitch $vDS1 -PortGroup {'vMotion PortGroup Name'} -IP {vMotion IP} -SubnetMask 255.255.255.0 -VMotionEnabled $true
 
Disconnect-VIServer -Server * -Force -Confirm:$false

 

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Add iSCSI Targets to ESXi Host

June 20, 2017 Leave a comment

Add iSCSI Targets to ESXi Host

PowerShell
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CLS
Connect-VIserver {ESXi Host IP} -User {Username} -Password {Password}
 
$targets = "iSCSI Targer IP","iSCSI Targer IP","iSCSI Targer IP","iSCSI Targer IP"
 
$hba = Get-VMHostHba -Type iScsi | Where {$_.Model -eq "iSCSI Software Adapter"}
 
  foreach ($target in $targets) {
 
     # Check to see if the SendTarget exist, if not add it
 
     if (Get-IScsiHbaTarget -IScsiHba $hba -Type Send | Where {$_.Address -cmatch $target}) {
 
        Write-Host "The target $target does exist on $esx" -ForegroundColor Green
     }
 
     else {
        Write-Host "The target $target doesn't exist on $esx" -ForegroundColor Red
 
        Write-Host "Creating $target on $esx ..." -ForegroundColor Yellow
 
        New-IScsiHbaTarget -IScsiHba $hba -Address $target      
     }
  }
 
Write "`n Done - Disconnecting "
 
Disconnect-VIServer -Server * -Force -Confirm:$false

 

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