Worked for me as you had it.

Try

{ Write-Host "Statement 1"

Write-Host "Statement 2"

writ-host "Statement 3 Error"

Write-Host "Statement 4"

}

Catch

{ Write-Host "In first catch" }

Try

{ Write-Host...

Doesn't look like you're doing anything wrong to me. Running

Get-WmiObject -Class Win32_Volume |fl *

Shows everything available from that class but Availability is Blank.

It's also blank for the Win32_LogicalDisk...

Another option is to look for the cluster service

$s = Get-WmiObject -Class Win32_SystemServices -ComputerName $server

if ($s | select PartComponent | where {$_ -like "*ClusSvc*"}) { Write-Output "$server is Clustered" }

else...

You could create a job to run every so often to check the total_elapsed_time in sys.dm_exec_requests and send an email if a long running process is found. Something like

IF...