+ CategoryInfo : ObjectNotFound: (:), VirtualizationException The system cannot find the file specified. The disk paths missing used to be located at: C:\vm1_2C2B2D12-0CB8-4D14-A19F-0BA5A157FCC0.avhdx. Virtual machine failed to generate VHD tree: ‘The system cannot find the file specified.'(‘0x80070002’).įailed to get VHD (‘C:\vm1_2C2B2D12-0CB8-4D14-A19F-0BA5A157FCC0.avhdx’) parent: ‘The system cannot find the (Virtual machine ID C58DBB12-C6BF-4764-995C-CF759622729F)Ĭannot delete checkpoint: The system cannot find the file specified. Virtual machine failed to generate VHD tree.Īn error occurred because the checkpoint is missing. Remove-VMSnapshot : ‘vm1’ failed to remove checkpoint.Ĭannot delete checkpoint: The system cannot find the file specified. PS C:\Windows\system32> Get-VMSnapshot -VMName “vm1” -Name “BK-CRM-DB02 – ( – 10:03:52 PM)” | Remove-VMSnapshot I have manually merged the checkpoints but when i go to hyper-v manager all the checkpoints are still attached to the main disk. am getting below error while trying to delete checkpoint. Every day the server reboots, it throws up another recovery checkpoint!
#Convert cloudberry backup to hyper v windows
Just for info, the reason I have four chained recovery checkpoints is because I accidentally set up a server reboot scheduled task (twice a week) at the exact same time in the evening as the Windows Server Backup (ran every evening). I have a backup, but I’ve no idea they’re OK given these recovery points – the backups could have been disrupted totally by the server reboot. So is it still safe to run – Get-VMSnapshot -ComputerName “MyHyperVHost” -VMName “VMWithLingeringBackupCheckpoint” | Remove-VMSnapshotĪs I think it may attempt to remove the checkpoints in the wrong order, basically the order that powershell reports them with the “Get-VMSnapshot” command, which is earliest first.Īny ideas? This is a production web server so I’m not happy about diving in and giving it a go. I actually have a chain of recovery checkpoints, four of them! I’ve got a very similar situation, which has been going on for around a week. Leave that for those scenarios where that’s the only option you have left. You’ll need to do that manually here and be done with it.Ĭonclusion: there is no need to dive in and start merging the lingering backup checkpoints manually. If not you’ll need to deal with it.ĭuring a normal backup that file is deleted when the merge of the redirect AVHDX is done. If you inspect the remaining MyVM-AutoRecovery.avhdx file you’ll see that it points to the parent vhdx.Normally your VM is now already running from the vhdx anyway. You can see the merging process in the GUI: Get-VMSnapshot -ComputerName "MyHyperVHost" -VMName "VMWithLingeringBackupCheckpoint" | Remove-VMSnapshot This show us the checkpoint information (note it does not show you the XXX-AutoRecovery.avhdx” as a checkpoint.Īnd then we simply run Remove-VMSnapshot #Just remove the lingerging backup checkpoint like you would a normal one via PoSh So we run: Get-VMSnapshot -ComputerName "MyHyperVHost" -VMName "VMWithLingeringBackupCheckpoint" I guess this is to protect people from trying to delete one by mistake when they see one during backups. The fact is you’re not supposed to have to do this, so the functionality is not there. I’m not convinced the fact that you can’t do it in the GUI is to be considered a bug as some would suggest. The good news is that this can be done via PowerShell. But you don’t have to do this! As a matter of fact you should avoid this if possible at all. I have discussed this process in blog posts 3 Ways To Deal With Lingering Hyper-V Checkpoints Formerly Known as Snapshots and Manually Merging Hyper-V Checkpoints. Some people turn to manually merging these checkpoints. When we look ad the files we see the traces of a Windows Server 2012R2 Hyper-V backup
You can read more about that in my blog posts Some Insights Into How Windows 2012 R2 Hyper-V Backups Work and What Is AutoRecovery.avhdx all about?. It’s there as part of the backup process. You can right click on the checkpoint but you will not find an option to apply or delete it.This is a recovery snapshot and you’re not supposed to manipulate this manually. You see checkpoint with a “odd” icon that looks like this
#Convert cloudberry backup to hyper v how to
We’re going to show you how to remove lingering Backup checkpoints from a Hyper-V Virtual Machine that where not properly removed after a backup on Windows Server 2012 R2 Hyper-V. There are many reasons for this, but that’s not the focus of this blog post.
Sometimes things go wrong with a backup job.
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