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Hi, I am trying to pass the PVE host's cdrom drive to one of the VMs. The drive shows up in the VM (Windows 10) and sometimes it shows even the inserted disk. But every try to actually read from it fails (it just doesn't do anything and after 10 minutes or so I kill the app trying to read). Is...

Got it. Thanks a lot!

Yes, "Migrate" is what I need. Thanks! But how/where do I set that? I can't seem to find that in the docs (hysterical blindness???)

Hi, I am running a three node PVE cluster with HA for some of the VMs. Today I had to do some maintenance on one of the nodes. My expectation was that when I shutdown the node, the HA manager would migrate those VMs that are listed for HA prior to the shutdown. But what happened was that the...

Understood. Thanks for the clarification. I think I read somewhere that it is not recommended to snapshot a VM that is running a database application without qemu-guest-agent present - don't know anymore why (it may have to do with unfinished writes). You might want to double check that, if...

Thank you all for your input. I had disabled PasswordAuthentication and PermitRootLogin. But then I ran into issues when trying to access the console of a VM on one node from one of the other nodes. So I have now enabled PermitRootLogin again and the issues are gone (with...

Hi, I have a three node PVE cluster where all three PVE nodes are also CEPH nodes. Each node has two NVMEs (that altogether form one pool) and one HDD (that altogether form another pool). My VMs live on the NVME pool. When a VM needs an additional disk for data, that data disks lives on the HDD...

Okay, maybe I misunderstood what you are saying here: So do you mean you are stopping the VM through qemu agent? In that case: How is this different from having the backup process stop the VM? Or are you saying that you are stopping only *the qemu agent* and then are taking a snapshot backup...

Why don't you just configure the backup process to stop the vm instead of doing a snapshot? That's what I am doing. Would save you the fumbling around with cronjobs...

Have you tried removing the folder corresponding to the node under /etc/pve/nodes?

Hi, I have implemented certificate based authentication via SSH on my cluster nodes. As with my VMs, I would now like to turn off PermitRootLogin, PasswordAuthentication and UsePAM. But it is my understanding that PVE uses SSH for cluster purposes and I don't want to break things. So, can I...

After turning on iothread in addition to Virtio SCSI single yesterday, the second VMs has been backed up approx. 24 times. So I risked backing up the first VM (with the large second disk), too. But, alas, it did not come back from fs-freeze. So, unfortunately, I have to conclude that Virtio...

Damnit, I may have jinxed it... :) Today, one of those VMs experienced got stuck after fs-freeze, after more than 100 successful backups over the last weeks/months. After that, I turned on Virtio SCSI single for this VM, too. And for this VM as well as the first affected VM I also turned on...

That's interesting, because - at the qemu bug tracker (your link), people apparently have been reporting this bug several months ago while my problems only started a couple of days ago (this particular VM is only a few weeks old, but the same payload was installed in its predecessor for several...

No cpanel, no mysql (but a mariadb). /var/log/syslog has nothing helpful. It shows the freeze command and the next entry is after the reset when the machine started again: Feb 5 15:00:02 grouphub-nextcloud-new qemu-ga: info: guest-ping called Feb 5 15:00:02 grouphub-nextcloud-new qemu-ga...

Yeah, well. The backup did go through the first time and a couple of times afterwards but then it crashed the VM again (and now I have turned the backup off again - I know...) So I will try to also check the iothread box and see what happens. The VM has two disks, one 15GB system disk and one...

Okay, so changing the SCSI controller of the affected VM from "Virtio SCSI" to "Virtio SCSI single" made the backup succeed again.

Sorry for reviving this old thread but... is this issue still an issue or has it been resolved? Because I am experiencing the same symptoms under PVE 7.3-4... Only one of my VMs is affected. It has 1TB second virtual disk (unlike all the others that are not affected). Activating KRBD for...

I guess so - is there a switch somewhere to turn this on or off? Tried that - VM still freezes und never wakes up. I found some other threads with similar problems in the past (some regression in qemu-kvm). But I understand a fix was developed and releases so I would not expect that this is...

Hi, I have a three node PVE cluster in my home lab on which I am running a couple of VMs. Backups are done hourly/daily/weekly depending on the speed with which the VMs change, how important they are and how difficult it is to recreate them. The backup target is a PBS. All of my VMs can be...