#set the input options here as -vc and -cluster
param([string]$vc = "vc", [string]$cluster = "cluster")


#check to make sure we have both
if (($vc -eq "vc") -or ($cluster -eq "cluster"))
	{
	write-host `n "Rescan-Storage rescans all HBAs, then goes back and rescans VMFS for all hosts in a specific cluster" `n
	Write-host `n "Required parameters are vc and cluster" `n `n "Example: `"Rescan-Storage -vc drtapw0015001 -cluster drtcrl0011101`"" `n
	break
	}

#création du fichier
$file = new-item "c:\Test\temptest.txt" -force -itemType File
$file3 = new-item "c:\Test\res.txt" -force -itemType File


#credential initialisation
Add-PSSnapIn VMware.VimAutomation.Core
$creds = Get-VICredentialStoreItem -file "C:\jonpol\credfile.xml"

#connect to VC
Connect-viserver -Server $creds.Host -User $creds.User -Password $creds.Password

#get a list of physical servers in a specific cluster
$servers = get-vmhost -location $cluster |sort name

#command-line for scan all HBAs and VMFS
$servers > $file
$file2 = select-string -Path c:\Test\temptest.txt -Pattern '\d\d.\d\d.\d\d.\d\d\d' -AllMatches | % { $_.Matches } | % { $_.Value }

function Convert-File
{
    param($serv, $maxjobs = 6)
	
	$argument = @($serv)
	
    $running = @(Get-Job | ? {$_.State -eq 'Running'})
    while ($running.Count -gt $maxJobs)
	{
        $done = Get-Job | Wait-Job -Any
        $running = @(Get-Job | ? {$_.State -eq 'Running'})
    }	

	start-job -scriptblock
	{
		Add-PSSnapIn VMware.VimAutomation.Core
		$creds = Get-VICredentialStoreItem -file "C:\jonpol\credfile.xml"
		Connect-viserver -Server $creds.Host -User $creds.User -Password $creds.Password
		Get-VMHostStorage -VMHost $args[0] -RescanAllHba -RescanVmfs
	} -ArgumentList $argument
}

foreach($hosts in $file2)
{
Convert-File $hosts
}

Get-Job | Wait-Job
$out = Get-Job | Receive-Job
echo $out

#done, lets disconnect
Disconnect-VIServer -confirm:$false