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Yesterday I wasted way too much hours migrating some VMs from Windows 10 to Windows 11, since I ran into some obscure problems. Maybe this helps someone else, because I could not find good information on my specific problems in the forums nor on reddit. What was "special" about my migration...

I could be very wrong, but this is how I understand file size / record size / compression in PBS: - Backups on the host are done in 4MB chunks. - With compression enabled by default, ZSTD might compress them a little bit. - With compression enabled by default on a PBS destination that uses...

Does PBS actually make use of atime? Or is it just inherited because of ZFS upstream? TrueNAS disables atime by default for performance reasons.

Normally I would not think much about a VM shutting down, but that VM has a GPO policy so there is no shutdown button. This made me curious to find out what caused the shutdown. Proxmox webGUI: Here I see nothing of interest in the task list. The VM was shutdown for a backup, but that was a few...

Help me understand the new ARC limit default of 10% instead of 50%. The only OOM scenarios, where unshrinkable TXG is a problem, I can come up with are: A: System with 32GB RAM and 10GBit NIC. 10% instead of 50% limits TXG to 3.2GB instead of roughly 5.8GB (limit is not ARC settings but...

https://pbs.proxmox.com/docs/storage.html#disk-management states: (that formatting looks corious :)) Anyway, I think disk zpool list should be zpool list instead, since disk is not a command. Which leads me to my next questions, where to report stuff like this? And why is Proxmox not using...

Ist das verwenden der boot disk als datastore nicht vorgesehen? Ähnlich wie bei TrueNAS? Das GUI will es mir nicht anbieten, also ist es offiziell out of spec? Möchte keine out of spec config fahren ;)

After reading a lot about PBS, I decided to do some real-world tests and installed PBS on an old Dell Optiplex 3020 with a 60GB SSD as the boot disk and an old 8TB HDD. The first hurdle I ran into was that somehow my local PVE was not able to connect to my remote PBS over my static IPv6 2001...

Something pretty strange happend again to my ZFS pool today, but it is probably best to start from the beginning. For multiple years I had a WD Red and a Kingston DC NMVE as mirrors. Few months ago I got a email that the Kingston drive was gone. I did not think much of it, ordered a 990 Pro...

Hi everyone, This is just in case someone stumbles upon the same error while troubleshooting. I am not asking for help, though I’m open to explanations if anyone has one. Roughly two years ago, I created a new Proxmox host with VMs. Two weeks ago, I read about CPU types—something I had never...

I want to run some benchmarks for a ghetto build and need some ideas from you guys. I want to use some old hardware I have laying around. The build will be installed in an offsite location with 10GBit. My goal is to reach at least 1GBit. Unfortunately I haven't really found a lot of these...

Hi guys! I currently do my backups to a NFS share on TrueNAS. But since the TrueNAS also sits in my home, I cloud sync it up to OneDrive from there. In the future I would like to switch to PBS instead, mostly just for fun of trying out new things. I have an unused i5 8th gen NUC and was...

For some reason I don't understand, setting up TOTP will lock me out of the webGUI. Here is what I did: Yesterday I made a fresh Proxmox install. I set a password for root during the install wizard. I logged in into the webGUI. Did some updates, network settings and other small settings...

Hallo zusammen Hatte eine Proxmox 7 Kiste am laufen mit 64GB und 32GB ARC. Um umzusteigen auf volblocksize 16k habe ich Proxmox neu installiert. Nun scheint zfs_arc_max auf 8GB einstellt zu sein. Wurde das was am default geändert mit Version 8? Im manual steht noch immer noch 50%...

I wrote something down on Github and would love to hear your feedback.

Hallo zusammen In den letzten Tagen habe ich mit mit SR-IOV, VF und IOMMU beschäftigt, leider stehe ich gerade etwas an und brauche Eure Hilfe. Mein Ziel ist es OPNsense zu virtualisieren (Proxmox 7.4) und die VF einer Chelsio T520-SO-CR zu nutzten. Allerdings scheitere ich dabei, die numvfs...

The default block size in PVE is 8k. OpenZFS switched the default to 16k, see here https://github.com/openzfs/zfs/pull/12406 Is there a reason why PVE doesn't do the same?

Hi everyone I was reading through the wiki https://pve.proxmox.com/wiki/Performance_Tweaks#Disk_Cache have some questions and maybe even suggestions for improvement. Sometimes it also contradicts the points from the article it references to. I'm no expert by any means and not a native speaker...

Hallo zusammen Nutze schon seit längerem ein Intel NUC für OPNsense und ein Supermicro für Proxmox. Nun bin ich in der glücklichen Lage und habe ein 10Gbit Upgrade von meinem ISP bekommen. Gleichzeitig überlege ich mir wegen dem Stromverbrauch OPNsense als VM laufen zu lassen. Ist sowas...

Seems like I somehow destroyed my Proxmox installation, hopefully someone can help me restore it :eek: Today I ran all the latest updates, shutdown the system and did a BIOS update. When it loads up GRUB, I see 3 different version to boot Proxmox Virtual Environment GNU/Linux, with Linux...