tests/Test-HostDriveBlockSize.ps1

function Test-HostDriveBlockSize {
    [CmdletBinding()]
    param (
        [parameter()][string] $TestName = "Logical Drive Block Allocation",
        [parameter()][string] $TestGroup = "configuration",
        [parameter()][string] $Description = "Validate disk format block size",
        [parameter()][hashtable] $ScriptParams
    )
    try {
        $startTime = (Get-Date)
        [int]$bsize = Get-CmHealthDefaultValue -KeySet "siteservers:DiskFormatBlockSize" -DataSet $CmHealthConfig
        Write-Verbose "block size required = $bsize"
        [System.Collections.Generic.List[PSObject]]$tempdata = @() # for detailed test output to return if needed
        $stat   = "PASS"
        $except = "WARNING"
        $msg    = "Success"
        $vols = Get-WmiQueryResult -ClassName "Win32_Volume" -Query "DriveType=3" -Params $ScriptParams
        foreach ($vol in $vols) {
            if ($vol.BlockSize -ne $bsize) {
                $res  = "FAIL"
                $stat = $except
                $msg  = "1 or more disks is not formatted to the recommended block size: $bsize bytes"
            } else {
                $res = 'PASS'
            }
            $tempdata.Add([pscustomobject]@{
                Computer  = $ScriptParams.ComputerName
                Drive     = $vol.DriveLetter
                BlockSize = $vol.BlockSize
                Required  = $bsize
                Result    = $res
            })
        } # foreach
    }
    catch {
        $stat = 'ERROR'
        $msg = $_.Exception.Message -join ';'
    }
    finally {
        if ($cs) { $cs.Close(); $cs = $null }
        Write-Output $([pscustomobject]@{
            TestName    = $TestName
            TestGroup   = $TestGroup
            TestData    = $tempdata
            Description = $Description
            Status      = $stat
            Message     = $msg
            RunTime     = $(Get-RunTime -BaseTime $startTime)
            Credential  = $(if($ScriptParams.Credential){$($ScriptParams.Credential).UserName} else { $env:USERNAME })
        })
    }
}