adjusted block size to match rubrik

Author: Chris Lumnah

MISC/Run-diskspdTests.ps1

@@ -95,10 +95,13 @@ param (
     $DataFileSize = "5G",
 
     [Parameter(Mandatory=$false,Position=5)]
-    $BlockSize = "1M",
+    $ReadBlockSize = "1M",
+    
+    [Parameter(Mandatory=$false,Position=5)]
+    $WriteBlockSize = "4M",
 
     [Parameter(Mandatory=$false,Position=6)]
-    $Threads = 8,
+    $Threads = 16,
 
     [Parameter(Mandatory=$false,Position=7)]
     $ThrottleLimit = 2
@@ -114,7 +117,8 @@ function Start-DiskspdTest{
         $diskspdPath,
         $DataFileSize,
         $Threads,
-        $BlockSize,
+        $ReadBlockSize,
+        $WriteBlockSize,
         $EntropySize,
         $OutPath
     )
@@ -154,8 +158,14 @@ function Start-DiskspdTest{
     foreach ($Volume in $Volumes){
         foreach ($IOType in $IOTypes){
             switch ($IOType){
-                "read" {$WriteTest = 0}
-                "write" {$WriteTest = 100}
+                "read" {
+                    $WriteTest = 0
+                    $arguments = "-c$($DataFileSize) -w$($WriteTest) -t$($Threads) -d$($TestDuration) -o$($IODepth) -b$($ReadBlockSize) -Z$($EntropySize) -W20 -Rxml -si -L $($Volume.Name)iotest.dat"
+                }
+                "write" {
+                    $WriteTest = 100
+                    $arguments = "-c$($DataFileSize) -w$($WriteTest) -t$($Threads) -d$($TestDuration) -o$($IODepth) -b$($WriteBlockSize) -Z$($EntropySize) -W20 -Rxml -si -L $($Volume.Name)iotest.dat"
+                }
             }
             foreach($IODepth in $IODepths){
                 #region timestamp output file
@@ -164,7 +174,7 @@ function Start-DiskspdTest{
                 #endregion
 
                 Write-Progress -Activity "Executing DiskSpd Tests..." -Status "Executing Test $TestNumber of $TestCount" -PercentComplete ( ($TestNumber / ($TestCount)) * 100 )
-                $arguments = "-c$($DataFileSize) -w$($WriteTest) -t$($Threads) -d$($TestDuration) -o$($IODepth) -b$($BlockSize) -Z$($EntropySize) -W20 -Rxml -si -L $($Volume.Name)iotest.dat"
+                
 
                 # Write-Output "diskspd.exe  $arguments" 
 
@@ -187,13 +197,13 @@ foreach ($Computer in $ComputerName){
         $InvokeCommand = @{
             ComputerName = $Computer
             ScriptBlock = ${Function:Start-DiskspdTest}
-            ArgumentList = $Computer, $TestDuration,$diskspdPath, $DataFileSize, $Threads, $BlockSize, $EntropySize, $OutPath
+            ArgumentList = $Computer, $TestDuration,$diskspdPath, $DataFileSize, $Threads, $ReadBlockSize, $WriteBlockSize, $EntropySize, $OutPath
             ThrottleLimit = $ThrottleLimit
         }
     }else{
         $InvokeCommand = @{
             ScriptBlock = ${Function:Start-DiskspdTest}
-            ArgumentList = $Computer,$TestDuration,$diskspdPath, $DataFileSize, $Threads, $BlockSize, $EntropySize, $OutPath
+            ArgumentList = $Computer,$TestDuration,$diskspdPath, $DataFileSize, $Threads, $ReadBlockSize, $WriteBlockSize, $EntropySize, $OutPath
         }
     }
     Invoke-Command @InvokeCommand