sorry english is not my native language.
Were the number of running VMs, assigned vCPUs, CPU load, and network load similar—or even idle—across both virtualization hosts?
I experienced the same issue with a Linux guest and a VirtIO-FS share containing about 1.3 million files.
In my case, the host filesystem is ext4 on LVM.
virtiofsd continuously increased its number of open file descriptors and hit its limit...
Subject: PSA-2026-00046-1: Privilege escalation through malicious OCI container image
Advisory date: 2026-09-10
Packages: pve-container
Details:
The check for control characters in the configuration keys of OCI container images was too...
ceph: 19.2.5-1~bpo12+2
you have ceph packages from no-sub from bookworm installed, but you are upgrading to trixie enterprise, which has a lower version..
you either need to wait until trixie enterprise has caught up, or upgrade to trixie...
Recent security findings and fixes in Ceph make it necessary to upgrade ceph and migrate authentication keys from the aes to the aes256k cipher. This is to address weaknesses in the old Cephx authentication method, especially if your Ceph service...
Hi @huganega,
Thanks for the extra tracing. Some of it is useful, but I think the text you've put together is pointing you the wrong way.
The solid parts:
- The same stall shows up in two independent places: your I/O completions freeze for...
Thanks @kawano-y - your input and suggestion is super helpful. I've got all of my backups on my vm's/LXC's stored outside of the proxmox host. I haven't really customised the OS in any meaningful way, so if I do end up breaking the OS beyond the...
Hi @huganega,
Thanks for the extra tracing. Some of it is useful, but I think the text you've put together is pointing you the wrong way.
The solid parts:
- The same stall shows up in two independent places: your I/O completions freeze for...
Hi @huganega,
Thanks for the extra tracing. Some of it is useful, but I think the text you've put together is pointing you the wrong way.
The solid parts:
- The same stall shows up in two independent places: your I/O completions freeze for...
Don't setup a PVE that is EoL and unsupported (running a kernel version with known vulnerabilities); please upgrade to the latest PVE 9.2 (and the new default kernel 7.0).
We are pleased to share two major milestones that will help us better serve our customers and partners worldwide.
Global 24/7 enterprise support
Starting October 19, 2026, Proxmox Enterprise Support will be available around the clock, 365 days a...
Ceph is great, but it needs some resources above the theoretical minimum to work reliably. My assumptions for the following text:
you want to use Ceph because... why not?
you want to use High Availability - which requires Shared Storage (note...