Blackout-Time (VM Live Migration): Unterschied zwischen den Versionen
Aus Wiki-WebPerfect
Admin (Diskussion | Beiträge) |
Admin (Diskussion | Beiträge) |
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param( | param( | ||
[Parameter(Position=0,mandatory=$true)][string] $Cluster, | [Parameter(Position=0,mandatory=$true)][string] $Cluster, | ||
− | [Parameter(Position=1,mandatory=$true)][int] $EventlogAge | + | [Parameter(Position=1,mandatory=$true)][int] $EventlogAge, |
+ | [ValidateSet("VMName", "BlackoutTime","TimeCreated")] | ||
+ | [String]$Sortby = "TimeCreated" | ||
) | ) | ||
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$HyperVNode = $events.MachineName | $HyperVNode = $events.MachineName | ||
− | $ | + | $BOReport = @() |
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foreach ($event in $eventsnormal) { | foreach ($event in $eventsnormal) { | ||
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$EventMessageVM = $event.message -replace ".*\'(.*)\'.*blackout time of (.+) seconds \(VMID (.*)\).", '$1' | $EventMessageVM = $event.message -replace ".*\'(.*)\'.*blackout time of (.+) seconds \(VMID (.*)\).", '$1' | ||
$EventMessageBlackoutTime = $event.message -replace ".*\'(.*)\'.*blackout time of (.+) seconds \(VMID (.*)\).", '$2' | $EventMessageBlackoutTime = $event.message -replace ".*\'(.*)\'.*blackout time of (.+) seconds \(VMID (.*)\).", '$2' | ||
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$TimeCreated = $event.TimeCreated | $TimeCreated = $event.TimeCreated | ||
$Level = "Normal" | $Level = "Normal" | ||
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− | $ | + | $obj = New-Object -TypeName PSObject |
− | $ | + | $obj | Add-Member -MemberType NoteProperty -Name VMName -Value $EventMessageVM |
− | $ | + | $obj | Add-Member -MemberType NoteProperty -Name BlackoutTime -Value $EventMessageBlackoutTime |
− | $ | + | $obj | Add-Member -MemberType NoteProperty -Name VMID -Value $EventMessageVMID |
− | $ | + | $obj | Add-Member -MemberType NoteProperty -Name HyperVNode -Value $HyperVNode |
− | $ | + | $obj | Add-Member -MemberType NoteProperty -Name TimeCreated -Value $TimeCreated |
− | $ | + | $obj | Add-Member -MemberType NoteProperty -Name Level -Value $Level |
− | $ | + | $BOReport += $obj |
} | } | ||
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$Level = "Critical" | $Level = "Critical" | ||
− | $ | + | $obj = New-Object -TypeName PSObject |
− | $ | + | $obj | Add-Member -MemberType NoteProperty -Name VMName -Value $EventMessageVM |
− | $ | + | $obj | Add-Member -MemberType NoteProperty -Name BlackoutTime -Value $EventMessageBlackoutTime |
− | $ | + | $obj | Add-Member -MemberType NoteProperty -Name VMID -Value $EventMessageVMID |
− | $ | + | $obj | Add-Member -MemberType NoteProperty -Name HyperVNode -Value $HyperVNode |
− | $ | + | $obj | Add-Member -MemberType NoteProperty -Name TimeCreated -Value $TimeCreated |
− | $ | + | $obj | Add-Member -MemberType NoteProperty -Name Level -Value $Level |
− | $ | + | $BOReport += $obj |
} | } | ||
− | $ | + | $BOReport | Sort-Object -Descending $Sortby | Format-Table |
} | } | ||
} | } |
Version vom 8. Juni 2018, 17:21 Uhr
Inhaltsverzeichnis
[Verbergen]Beschreibung
Live Migration
Folgende Punkte sind die chronilogische Abfolge einer Live Migration:
- Establish connection between source and target computer
- Transfer VM configuration and device information
- Transfer VM memory
- Suspend source VM and transfer state
- Resume target VM
Das Ziel ist es kein TCP/IP Timeout zu bekommen.
Blackout-Time
Die Blackout-Time ist die Zeit zwischen der, der Hyper-V Host die Source-VM stoppt, den State transferiert und die Target-VM "startet". (Siehe Bild auf der rechten seite.) Die Blackout-Time einer VM entsteht bei einer Live Migration und ist im EventLog des Hyper-V Nodes unter dem Provider Microsoft-Windows-Hyper-V-VMMS-Admin ersichtlich.
Blackout-Time per PowerShell-Skript abfragen (V3)
<# .SYNOPSIS Für Troubleshooting-Zwecke von Blackout-Zeiten während Live-Migrationen .DESCRIPTION Mit diesem Skript kann man alle Blackout-Zeiten während Live-Migrationen innerhalb eines Cluster filtern. .NOTES Author: Robin Hermann .LINK http://wiki.webperfect.ch .EXAMPLE Get-LiveMigrationBlackoutTime -Cluster <ClusterName> -EventLogAge -7 Dieses Beispiel zeigt alle Blackout-Zeiten während Live-Migrationen der letzten 7 Tage an. #> Function Get-LiveMigrationBlackoutTime { [CmdletBinding()] param( [Parameter(Position=0,mandatory=$true)][string] $Cluster, [Parameter(Position=1,mandatory=$true)][int] $EventlogAge, [ValidateSet("VMName", "BlackoutTime","TimeCreated")] [String]$Sortby = "TimeCreated" ) process{ $ErrorActionPreference = "SilentlyContinue" $eventsnormal = (Get-ClusterNode -Cluster $Cluster).Name | foreach {Get-WinEvent -ComputerName $_ -FilterHashtable @{LogName = 'Microsoft-Windows-Hyper-V-VMMS-Admin'; ID = 20415; StartTime = ((Get-Date).AddDays($EventlogAge))}} | select TimeCreated, Id, Message, MachineName $eventscritical = (Get-ClusterNode -Cluster $Cluster).Name | foreach {Get-WinEvent -ComputerName $_ -FilterHashtable @{LogName = 'Microsoft-Windows-Hyper-V-VMMS-Admin'; ID = 20417; StartTime = ((Get-Date).AddDays($EventlogAge))}} | select TimeCreated, Id, Message, MachineName $HyperVNode = $events.MachineName $BOReport = @() foreach ($event in $eventsnormal) { $EventMessageVM = $event.message -replace ".*\'(.*)\'.*blackout time of (.+) seconds \(VMID (.*)\).", '$1' $EventMessageBlackoutTime = $event.message -replace ".*\'(.*)\'.*blackout time of (.+) seconds \(VMID (.*)\).", '$2' $EventMessageVMID = $event.message -replace ".*\'(.*)\'.*blackout time of (.+) seconds \(VMID (.*)\).", '$3' $HyperVNode = $event.MachineName $TimeCreated = $event.TimeCreated $Level = "Normal" $obj = New-Object -TypeName PSObject $obj | Add-Member -MemberType NoteProperty -Name VMName -Value $EventMessageVM $obj | Add-Member -MemberType NoteProperty -Name BlackoutTime -Value $EventMessageBlackoutTime $obj | Add-Member -MemberType NoteProperty -Name VMID -Value $EventMessageVMID $obj | Add-Member -MemberType NoteProperty -Name HyperVNode -Value $HyperVNode $obj | Add-Member -MemberType NoteProperty -Name TimeCreated -Value $TimeCreated $obj | Add-Member -MemberType NoteProperty -Name Level -Value $Level $BOReport += $obj } foreach ($event in $eventscritical) { $EventMessageVM = $event.message -replace ".*\'(.*)\'.*blackout time of (.+) seconds \(VMID (.*)\).", '$1' $EventMessageBlackoutTime = $event.message -replace ".*\'(.*)\'.*blackout time of (.+) seconds \(VMID (.*)\).", '$2' $EventMessageVMID = $event.message -replace ".*\'(.*)\'.*blackout time of (.+) seconds \(VMID (.*)\).", '$3' $HyperVNode = $event.MachineName $TimeCreated = $event.TimeCreated $Level = "Critical" $obj = New-Object -TypeName PSObject $obj | Add-Member -MemberType NoteProperty -Name VMName -Value $EventMessageVM $obj | Add-Member -MemberType NoteProperty -Name BlackoutTime -Value $EventMessageBlackoutTime $obj | Add-Member -MemberType NoteProperty -Name VMID -Value $EventMessageVMID $obj | Add-Member -MemberType NoteProperty -Name HyperVNode -Value $HyperVNode $obj | Add-Member -MemberType NoteProperty -Name TimeCreated -Value $TimeCreated $obj | Add-Member -MemberType NoteProperty -Name Level -Value $Level $BOReport += $obj } $BOReport | Sort-Object -Descending $Sortby | Format-Table } }