How do you indentify\u00a0VMs that generates the most IOPS? With the vSphere Client?<\/p>\n
No, we do it in PowerCLI \ud83d\ude09<\/p>\n
<\/p>\n
I found a very good script<\/a> from LucD<\/a> and created a function around.<\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":" How do you indentify\u00a0VMs that generates the most IOPS? With the vSphere Client? No, we do it in PowerCLI \ud83d\ude09<\/p>\n","protected":false},"author":1,"featured_media":363,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[4,5,7],"tags":[],"class_list":["post-361","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-powercli","category-reports","category-vsphere"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/vblog.hochsticher.de\/index.php?rest_route=\/wp\/v2\/posts\/361","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vblog.hochsticher.de\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vblog.hochsticher.de\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vblog.hochsticher.de\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vblog.hochsticher.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=361"}],"version-history":[{"count":6,"href":"https:\/\/vblog.hochsticher.de\/index.php?rest_route=\/wp\/v2\/posts\/361\/revisions"}],"predecessor-version":[{"id":366,"href":"https:\/\/vblog.hochsticher.de\/index.php?rest_route=\/wp\/v2\/posts\/361\/revisions\/366"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vblog.hochsticher.de\/index.php?rest_route=\/wp\/v2\/media\/363"}],"wp:attachment":[{"href":"https:\/\/vblog.hochsticher.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=361"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vblog.hochsticher.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=361"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vblog.hochsticher.de\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}function Get-VMMaxIO\r\n{\r\n <#\r\n .SYNOPSIS\r\n Get your VMs with max. IOPS \r\n .DESCRIPTION\r\n Get your VMs with max. IOPS (read & write Avg.)\r\n You could work with the parameters vHost,Cluster or DataCenter to determine the ESXi Hosts. (default = all Hosts)\r\n With the parameter minutes, you could change the period of time (default = 1)\r\n With the parameter top, you could change the number of VMs listed (default = 10)\r\n .EXAMPLE\r\n Get-VMMaxIO\r\n\r\n Get-VMMaxIO -vHost myHost01\r\n Get-VMMaxIO -Cluster myClusterA\r\n Get-VMMaxIO -DataCenter myDataCenterA\r\n\r\n Get-VMMaxIO -vHost * -minutes 10 -top 15\r\n\r\n .Sample Output\r\n PS C:\\Users\\myUser> Get-VMMaxIO -Cluster * -minutes 1 -top 5\r\n\r\n VM Datastore IOPSMax\r\n -- --------- -------\r\n myVM01 MyDataStore01 18,75\r\n myVM02 MyDataStore02 6,85\r\n myVM03 MyDataStore01 5,8\r\n myVM09 MyDataStore04 3,4\r\n myVM15 MyDataStore04 3,2\r\n \r\n #>\r\n [CmdletBinding()]\r\n param\r\n (\r\n \r\n [Parameter(Mandatory=$false, Position=0)]\r\n [System.String]\r\n $vHost = \"\",\r\n \r\n [Parameter(Mandatory=$false, Position=1)]\r\n [System.String]\r\n $Cluster = \"\",\r\n \r\n [Parameter(Mandatory=$false, Position=2)]\r\n [System.String]\r\n $DataCenter = \"\",\r\n \r\n [Parameter(Mandatory=$false, Position=3)]\r\n [System.String]\r\n $top = '10',\r\n \r\n [Parameter(Mandatory=$false, Position=4)]\r\n [System.String]\r\n $minutes = '5'\r\n )\r\n \r\n \r\n #Check which Variable is filled\r\n if([string]::IsNullOrEmpty($vHost)) { \r\n #Write-Host \"Given string is NULL or EMPTY\"\r\n \r\n } else { \r\n #Write-Host \"Set vobject\" \r\n $vobject = (Get-VMHost $vHost) | Sort-Object -Property Name \r\n }\r\n \r\n if([string]::IsNullOrEmpty($Cluster)) { \r\n #Write-Host \"Given string is NULL or EMPTY\" \r\n } else { \r\n #Write-Host \"Set vobject\" \r\n $vobject = (Get-Cluster $Cluster| Get-VMHost) | Sort-Object -Property Name \r\n }\r\n \r\n if([string]::IsNullOrEmpty($DataCenter)) { \r\n #Write-Host \"Given string is NULL or EMPTY\"\r\n \r\n } else { \r\n #Write-Host \"Set vobject\"\r\n $vobject = (Get-DataCenter $DataCenter| Get-VMHost) | Sort-Object -Property Parent,Name \r\n }\r\n \r\n \r\n \r\n \r\n \r\n \r\n $metrics = 'disk.numberwrite.summation','disk.numberread.summation'\r\n $start = (Get-Date).AddMinutes(-$minutes)\r\n $report = @()\r\n \r\n $vms = ($vobject |Get-VM) | where {$_.PowerState -eq 'PoweredOn'}\r\n $stats = Get-Stat -Realtime -Stat $metrics -Entity $vms -Start $start\r\n $interval = $stats[0].IntervalSecs\r\n \r\n $lunTab = @{}\r\n foreach($ds in (Get-Datastore -VM $vms | where {$_.Type -eq 'VMFS'})){\r\n $ds.ExtensionData.Info.Vmfs.Extent | %{\r\n $lunTab[$_.DiskName] = $ds.Name\r\n }\r\n }\r\n \r\n $report = $stats | Group-Object -Property {$_.Entity.Name},Instance | %{\r\n New-Object PSObject -Property @{\r\n VM = $_.Values[0]\r\n Disk = $_.Values[1]\r\n IOPSMax = ($_.Group | `\r\n Group-Object -Property Timestamp | `\r\n %{$_.Group[0].Value + $_.Group[1].Value} | `\r\n Measure-Object -Maximum).Maximum \/ $interval\r\n Datastore = $lunTab[$_.Values[1]]\r\n }\r\n }\r\n \r\n $report | Sort-Object IOPSMax -Descending | select VM, Datastore, IOPSMax -First $top\r\n}\r\n<\/pre>\n