我编写了这个快速的 Powershell 脚本,它将虚拟机的 vMotion 排队,并且每次只运行 4 个 vMotion 任务。我认为这可能会对某些人有所帮助,因此您可以根据自己的喜好随意修改代码。
我们将虚拟机移至两个不同的数据存储区,以便在夜间进行 DR 演习。
我在脚本中加入了注释,但如果您有任何疑问,请在下面评论。我相信这可以用更好的方式完成,但这是一件很快的事情,因为我必须让它运行,所以虚拟机会在一夜之间迁移。
对我有帮助的主要命令是 get-task。
我不知道为什么我不需要为 vMotion 指定主机,但虚拟机已迁移到正确的主机,也许 DRS 已经处理好了这个问题
答案1
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#import the servernames from csv file
Import-Csv 'C:\Users\Administrator\Desktop\RestoreDetails Queue.csv' | foreach {
#check if vm already on required datastore, change the datastore name as per your environment
if ((get-vm $_.host |Get-Datastore).name -ne "DataStore1" -or (get-vm $_.host |Get-Datastore).name -ne "DataStore2") {
Write-Host "`nStaring vMotion session for "$_.host
#Get current running tasks for Relocatin VM and check if the count is lower than 4
#I am checking for currently running tasks and with Perecentage over 0%, sometimes there are tasks that are just waiting
if ((Get-Task | ?{$_.name -eq "RelocateVM_Task" -and $_.state -eq "Running" -and $_.PercentComplete -ne "0"}).count -lt "4") {
Write-Host "`nLess than 4 vMotions Migrations are going"
#if the count is lower than 4 then check which datastore has more freespace available
if ((Get-Datastore -Name "DataStore1").freespacegb -ge (Get-Datastore -Name "DataStore2").freespacegb) {
Write-Host ("`nStarting " + $_.host + " to Datastore DataStore1")
#send an email
Send-MailMessage -to "[email protected]" -from [email protected] -Subject ("Starting " + $_.host + " to Datastore DataStore1") -SmtpServer smtp.domain.com -DeliveryNotificationOption OnFailure, delay
#start vMotion to DataStore1
get-vm -Name $_.HOST | Move-VM -Datastore DataStore1 -RunAsync
}
else {
Write-Host ("`nStarting " + $_.host + " to DataStore2")
Send-MailMessage -to "[email protected]" -from [email protected] -Subject ("Starting " + $_.host + " to Datastore DataStore1") -SmtpServer smtp.domain.com -DeliveryNotificationOption OnFailure, delay
#Start vMotion to Storage DataStore2
get-vm -Name $_.HOST | Move-VM -Datastore DataStore2 -RunAsync
}
}
else {
#if more that 4 relocation tasks are running then wait for them to finish
sleep 5
Write-Host "`nWaiting for current vMotions to finish..."
Write-Host "`nCurrent number of vMotions:"(Get-Task | ?{$_.name -eq "RelocateVM_Task" -and $_.state -eq "Running" -and $_.PercentComplete -ne "0"}).count
do {
#wait 60 seconds and recheck again
sleep 60
} while ((Get-Task | ?{$_.name -eq "RelocateVM_Task" -and $_.state -eq "Running"-and $_.PercentComplete -ne "0"}).count -ge "4")
#Repeate the above process when vMotion tasks go lower than 4
if ((Get-Task | ?{$_.name -eq "RelocateVM_Task" -and $_.state -eq "Running" -and $_.PercentComplete -ne "0"}).count -lt "4") {
Write-Host "`nLess than 4 vMotions Migrations are going"
if ((Get-Datastore -Name "DataStore1").freespacegb -ge (Get-Datastore -Name "DataStore2").freespacegb) {
Write-Host ("`nStarting " + $_.host + " to Datastore1")
Send-MailMessage -to "[email protected]" -from [email protected] -Subject ("Starting " + $_.host + " to Datastore DataStore1") -SmtpServer smtp.domain.com -DeliveryNotificationOption OnFailure, delay
get-vm -Name $_.HOST | Move-VM -Datastore DataStore1 -RunAsync
}
else {
Write-Host ("`nStarting " + $_.host + " to Datastore2")
Send-MailMessage -to "[email protected]" -from [email protected] -Subject ("Starting " + $_.host + " to Datastore DataStore1") -SmtpServer smtp.domain.com -DeliveryNotificationOption OnFailure, delay
get-vm -Name $_.HOST | Move-VM -Datastore DataStore2 -RunAsync
}
}
}
}
}
#Check which VM's are on DR DataStore storage already
Import-Csv 'C:\Users\Administrator\Desktop\RestoreDetails Queue.csv' | foreach {
if ((get-vm $_.host |Get-Datastore).name -ne "DataStore2" -or (get-vm $_.host |Get-Datastore).name -ne "DataStore1") {
[array]$DRStorage =+ $_.host
}
else {
[array]$NoDRStorage =+ $_.host
}
}
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