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Me too... would also like to know if this performance problems still exist in actual version of Proxmox and Balooning driver?

Thx for your answer.

ok, KSM took exactly the time I wrote the post to start working. So now KMS Share is growing and node ram workload is falling.

I have now tried to force ksm to work by having two VMs that use more RAM than available on the node. VM1 http://prntscr.com/f2w1dj VM2 http://prntscr.com/f2w1ir node http://prntscr.com/f2w1rc As you can see KSM Sharing is still at 0kb and the ram usage of the node is very high.

I have now configured the "IP filter" for outgooing and the "Firewall in" for incomming traffic. Seems that this is the only option. @guletz Thx for your input. Unfotunately this works only for unused IPs.

I have now installed the ksm deamon apt-get install ksm-control-deamon How to check now if KSM is running? In WebGUI at the node it is still showing me the same

Oh..... I have done the installation with "Imageinstaller" from Hetzner. Maybe they somehow deactivated this. The question would be why?

Hello@all, is there a reason why the "ksm-control-deamon" is not installed innately? Regards Andy

What I forgot to mention is, that I did found the config for "IP filter" but with enabling this, and configuring a IPSet "ipfilter-net0" to a specific IP form the subnet, does prevent outgooing connctions when the IP is changed on VM. The problem is, that incoming connections still work fine...

Hello @ all, I am asking myself how to bind VMs to work with just one IP form a subnet. I have a Hetzner server configured with a routed x.x.x.x/29 subnet. My config looks the following: # /etc/network/interfaces ### Hetzner Online GmbH - installimage # Loopback device: auto lo iface lo inet...

Sure, the VMs are getting slow because of high IO. The filesystem is thin-lvm.

Ok, but why then the node is getting slow when IO delay gets high?

Hello @ all, I am asking myself why a restore form an NFS storage (1Gbit/s) is causing an IO delay of over 60% even if the disks used on the node are NVMe SSDs that should be minimum 10 times faster then the possible transfer rate over the 1Gbit/s network of the NFS Storage? It also caused a...

@DerDanilo If u have configured a vmbrX to use a subnet, this would mean that every VM with this bridge coud use any of the IPs in the subnet. This is kind of bad because a "VM client" could change the IP by himself to a different one in the same subnet, right?

Hello @ all, would be interesting to hear if Proxmox actual stable is runnable on Ryzen CPUs? Had someone the chance to test? Regards

Interesting config. How do you use HE because of storage? Do you have 10GB LAN on private Switch and separate ZFS Storage Servers?

Hi, I would be interested to in your way of configuring it. So would you be so kind and post your config?

Is trim active in the Windows OS? fsutil behavior query DisableDeleteNotify Should give back a "0"

Hello, thx for your answer. I yesterday found after a very long time trying, a solution. Maybe it helps somebody: 1) Change controller type to "VirtIO SCSI" in options of the VM 2) Mount the newest VirtIO driver ISO 3) Create a new (small) SCSI drive 4) Boot Windows VM, Install the VIOSCSI...

So the only way I figured out actually is to change the disks from "virtIO" to "virtIO_scsi" and enable "Discard" option. But how to acomplish that?