Hello, during a Storage firmware upgrade I used the following script to have a path status all along. Ran it before, during and after. Frankly I should have observed paths down but I didn't. However MS SQL Clusters with shared RDMs lost their disks.
#Checks a group of hosts for potential zoning or san presentation inconsistencies. Not suitable for environments where HBAs are mapped in couples.
$dcs = Get-Datacenter myDC1,myDC2,myDC3
$vClusters = Get-Cluster -Location $dcs | ?{$_.Name -notmatch "Maintenance"} | sort
$outReport = @()
foreach ($thisCluster in $vClusters)
{
$scsiLunCount = 0
foreach ($thisHost in ($thisCluster | get-vmhost))
{
write-host "Working on $($thisHost.name)..."
foreach ($thisHBA in ($thisHost | get-vmhosthba | ? {$_.type -eq "FibreChannel"}))
{
$target = ((Get-View $thisHBA.VMhost).Config.StorageDevice.ScsiTopology.Adapter | where {$_.Adapter -eq $thisHBA.Key}).Target
$nrPaths = ($target | %{$_.Lun.Count} | Measure-Object -Sum).Sum
$outHBA = "" | select Cluster,Host,ExpectedLUNs,ActualLUNs,VMHBA,NumberOfPaths
$outHBA.VMHBA = $thisHBA.device
$outHBA.Cluster = $thisCluster.name
$outHBA.Host = $thisHost.name
$outHBA.ActualLUNs = ($thisHBA | get-scsiLUN).count
$outHBA.NumberOfPaths = $nrPaths
if ($scsiLunCount -ne 0)
{
if ($scsiLUNCount -ne $outHBA.ActualLUNs)
{
#Bad condition
write-error "$thisHost $($thisHBA.name) does not have $scsiLUNCount LUNs."
}
}
else
{
$scsiLUNCount = $outHBA.ActualLUNs
}
$outHBA.ExpectedLUNs = $scsiLunCount
$outReport += $outHBA
}
}
}
$outReport
During one Storage Array node reboot the Event viewer on the web client on some ESXi hosts showed APD. I would have expected the script to show me zero paths available, is anything wrong with it?
