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Yes, with bigger values (tested to 16) the performance just drops and goes even below ashift 12.

I've done some tests from my side with one disk right now: Command used: fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test --filename=test --bs=4M --iodepth=64 --size=15G --readwrite=randrw --rwmixread=75 BTRFS - default settings Run status group 0 (all jobs)...

I don't have any problems here, that's the point. I just wondered if old issues that I've read on the internet regarding NVMe drives and XFS (and proxmox) like we can see here (https://www.reddit.com/r/zfs/comments/112v7n9/terrible_performance_loss_on_nvme_drives_with_zfs/) were still a thing...

I don't care buying new disk and I don't have SAS interface by the way There is no point giving advice no one asked without knowing the underlying hardware and what it the project. We talk about nvme, not buying used sas disk on ebay. Edit: My two 840 evo that run XFS and my vms for year...

I don't need the "best" performance and I don't need 4 drives, I just wanted to know if the old big drops in ZFS performance still existed. ZFS right now is running with two Samsung 850 evo for years just fine without any optimization, despite proxmox indicating wear level to 99% for years.

Got it, thanks for the in depth explanation, so ZFS is maybe not the best choice? What do you recommend?

Yep, typo here, I talk about ZFS. Power loss protection doesn't matter has I have an enterprise grade UPS who lasts 1h+ with nut configured on the proxmox to shut down everything in the event of a power loss.

Good morning, Actually, my personal proxmox runs on one NVME drive for system and my VMs are on two sata ssd in XFS. I'm running out of space and I'm planning to replace the one NVME system drive and the two ssd by two Firecuda 530 in raid 1. What is the best way to get the most performance...

Hello, same problem here on a MicroServer gen8. Reverted to 6.5 branch since the very latest kernel put the server in a bootloop. Old boxes doesn't only have value for test dev. At home, many people use proxmox and a lot of us run this on old hardware.

Hi everybody, I've setup a 3-node PMG cluster for personal use with 3 CX11 from hetzner and I'm really happy with it. Just one question, what is the maximum retention of the email queue? I want to know if it will keep my emails forever if my server at home crash. Thanks for the answer.