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I have been observing VM disks going readonly randomly (every 5-7 days, it's not a regular pattern). This appears to only be happening to VMs with very large disks, such as 4TB or more. I have a fairly large deployment with over 50 hypervisors. The VMs have a local RAID 1/RAID 10 disk, I have...

When trying to backup a large VM to a remote server using vzdump (snapshot mode), the writes on the VM appear to be slowed down greatly. Are disk writes affected (maybe writes are slowed down during a backup) when a backup is in progress, to maintain consistency?

I upgraded one of my test nodes to try out PVE 7, and I noticed that one VM was not starting. The error was TASK ERROR: start failed: org.freedesktop.DBus.Error.InvalidArgs: Value specified in CPUWeight is out of range It seems that this is due to cgroups v2, where the max limit of this is...

When all backups of an existing VM(s) are deleted, the empty backup group seems to be left behind. The log of the prune job looks something like this: 2021-04-20T19:03:08-04:00: verify datastore ds0 2021-04-20T19:03:08-04:00: found 4 groups 2021-04-20T19:03:08-04:00: verify group ds0:vm/1000 (0...

I just restored a handful of VMs (to a fresh PVE install) from backups, however only 2 restores are showing up in the webgui tasks. I noticed the tasks are still there in /var/log/pve/index and their associated task log files are present too. Is this a known bug?

Is it possible to take snapshots, independent of VMs, and restore them to other VMs? It would functionally be similar to backups, except that it would just be a disk image.

Hello, I'm using the Proxmox API to get png RRD statistics, but I'm receiving something like this: { "data": { "filename": "/var/lib/rrdcached/db/pve2-vm/800_cpu.png", "image":"<encoded string>" } } What is it encoded in, and how should I decode it? Also, it doesn't seem...

I tried generating an SSL certificate on this new Proxmox VE host, I just installed today. Normally, it works just fine, but I'm getting this error now. I've redacted the actual hostname. Loading ACME account details Placing ACME order Order URL...

Hi, I have a cluster with 7 nodes, running for quite some time, smoothly. But on trying to add another node, it seems to fail, and I can no login to the 8th node using SSH (my SSH key was added, it asks me to provide a password, and the root password doesn't work either). Same for the Proxmox...

I originally installed Proxmox on top of Debian Buster like this: https://pve.proxmox.com/wiki/Install_Proxmox_VE_on_Debian_Buster Today, while running apt update && apt dist-upgrade, I saw that it installed multiple zfs utilities automatically, although I don't use it at all. Also, the...

Proxmox collects metrics about the host node and the VMs (CPU Usage, Network usage, etc.). How long are they stored for?

I created a VM in Proxmox with 16GB RAM. Memory ballooning was enabled (min=4GB). At the time of this happening, the host had 10~GB RAM available. I was trying to start a process on the VM when it said that it couldn't allocate memory. After running htop, it showed that the VM had 8.36GB RAM...