To get HBA details of all ESX host on a cluster

#Initialize variables
# $VCServer = ""

#Connect to vCenter Server
#Connect-VIServer $VCServer
$i = 0
$objHba = @()

$cnt = (Get-Content clusters.txt).Count

Get-Content clusters.txt | ForEach-Object {
$i++

$currclust = $_

$cluster = Get-cluster $currclust

    try{
      Write-Progress -Activity "Scanning .... " -Status ("Cluster : {0}" -f $cluster) -PercentComplete ($i/$cnt*100) -Id 1
    }
     catch [System.DivideByZeroException]{ }


    $vmhosts = $cluster | Get-vmhost
    if ($null -ne $vmhosts) {
        foreach ($vmhost in $vmhosts) {
            $vmhostview = $vmhost | Get-View
            foreach ($hba in $vmhostview.config.storagedevice.hostbusadapter) {
                if ($hba.PortWorldWideName) {
                    #Define Custom object
                    $objWwpn = "" | Select Clustername,Hostname,Hba,WWNN,WWPN
                    #Add porperties to the newly created object
                    $objWwpn.ClusterName = $cluster.Name
                    $objWwpn.HostName = $vmhost.Name
                    $objWwpn.Hba = $hba.Device
            $objWwpn.Wwnn = "{0:x}" -f $hba.NodeWorldWideName
                    $objWwpn.Wwpn = "{0:x}" -f $hba.PortWorldWideName
                    $objHba += $ObjWwpn
                }
            }
    }
    }
}

$objHba | Export-Csv -NoTypeInformation -UseCulture HbaInfo.csv