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SMART: https://pastebin.com/ktZf635q Ive looked in Idrac. There is no Problem, all Settings are green and Online. CPU temps seems finde to me: root@De-Vre-Prox13:~# sensors coretemp-isa-0000 Adapter: ISA adapter Core 0: +27.0°C (high = +85.0°C, crit = +95.0°C) Core 1: +26.0°C...

The Disks are managed by ZFS, they are directly on a HBA. The Host is on the 500 GB SSD Mirror with Samsung SM883a SSDs. I just testet again, the IO delay peeks..

Alright, sadly the Power was already set to maximum in the Dell, ive set it to OS control now. Im wondering, why the CPU Frequency was not always maximum as i testet it. Here the Output sir: https://pastebin.com/pEg3J89n vmstat: https://pastebin.com/uKxJbW9W FIO...

Sir, i would like to test another Power Mode in the Server (not OS control in the Dell, i want to test system maximum performance)

No, i ran them one after the another, as it stands in the Pastebin :=) I have really no idea what i am doing wrong.. Its basically the Proxmox configuration, i didnt changed anything...

Here is the Output Sir: https://pastebin.com/SVdkrzbG

Alright, im gonna do that! But i will let some Backups roll full back on the Disk first (50 GB Backup Now one hour restoring over 1 Gbit connection) I will send the Results here!

Hello, thanks for your Reply. I got a ashift of 12. Compression is on everywhere: root@De-Vre-Prox13:~# zfs get compression NAME PROPERTY VALUE SOURCE De-Vre-Prox13Mirror4TB compression on local...

By the way: The LED on the Drive cages at the Servers (Dell R710) are just lighting for one second, then they are one second turned off, so i assume that the Filesystem writes just half the Time on the Disks. The Servers got 16 x Intel(R) Xeon(R) CPU E5620 @ 2.40GHz (2 Sockets) and 24 x...

Hello, thanks for your answer. The Problem is, that the Performance is FAR under the Performance of single Disks and that is a Fail in my opinion, i think it should be far better than single disk, because of the ARC and L2ARC for example. We are not talking about a Upgrade to the single Disc...

Hello and thanks for Hosting this Forum! I am using Proxmox since Years now, but i am testing ZFS in my homelab. I had Consumer SSDs with the Proxmox Host in Mirror 1 at the Beginning. Very Bad idea! I bought Samsung P883 and the Problem with IO Delay seems to be better. I bought 2x 4 TB...

Thanks for Sharing, it did fix that Problem at me too. BIOS is correct, "date" in shell gave the correct time, but all graphs were broke, even after a restart & cookie deletion.. What does that "rdd" file do? Just to understand, what i deleted some seconds ago :=) I think, it does just cache...