Snapshot for lists of Specific VM's from the lists and delete the snapshot after upgrade

[vmk2014]

Hi Everyone,

Can we take Snapshot for lists of Specific critical VM's from the lists and delete the snapshot after VM HW upgrade?

thanks

vmk

[LucD · Accepted solution]

Taking a snapshot before the HW upgrade is quite straightforward.

$vmNames = Get-Content -Path .\vmnames.txt

Get-VM -Name $vmNames | New-Snapshot -Name "PreHWUpgrade" -Description "SNapshot taken before HW upgrade" -Confirm:$false

Cleaning up after the upgrade is also quite simple.

$vmNames = Get-Content -Path .\vmnames.txt

Get-VM -Name $vmNames | Get-Snapshot -Name "PreHWUpgrade" | Remove-Snapshot -Confirm:$false

But you will have to run the 2 script yourself.

There is no option to run the 2nd one for example, automatically after the HW upgrade.

[vmk2014]

Yes, I'm looking to run the script manually post upgrade. Does the script take the snapshot with Memory?

[LucD]

No, but you can add that switch

$vmNames = Get-Content -Path .\vmnames.txt

Get-VM -Name $vmNames |

New-Snapshot -Name "PreHWUpgrade" -Description "SNapshot taken before HW upgrade" -Memory:$true -Confirm:$false

[vmk2014]

While deleting the snapshot with memory any change in your script?

[LucD]

No, that part stays the same

[vmk2014]

I tested the VM Snapshot and tt worked for me. I'm planning to take a snapshot for Critical prod VM's while upgrading the VM version.

[vmk2014]

LucD,

Post HW version upgrade, I'm unable to delete one of the snapshots. It failing with error "The operation is not allowed in the current state."

thanks

vmk

[LucD]

Did you change any of the HW settings between the snapshot and now?

For example, removed or changed a vNIC configuration.

[vmk2014]

No, i didn't change any HW config. I'm able to fix it by restarting the management agent of the host.

[LucD]

That is strange.
Perhaps a 2nd restart of the VM after the HW upgrade could also fix the issue?

[vmk2014]

Yes, i was also thinking the same way but since I was not having downtime, hence went for management service restart.