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Perhaps useful for someone, I have an AMD 2990wx as host machine, it seemed to choke on KB5058499 about a month ago. It would reboot automatically and go into recovery mode. I couldn't find much info about it but setting the CPU Type to x86-64-v3 made it work again. Microsoft removed the support...

I'm in the same boat as @simon11118. Bought the 5090 for AI workloads without knowing it is less than optimal approach. I'm new to this topic and there is a lot to consider. I'd be willing to accept slight loss in stability, e.g. weekly or monthly issue but so far I have not been able to make it...

In the mean time I seem to have resolved the issue. Here is what I did. First I copied /etc/corosync/corosync.conf from a working machine. corosync still would not start due to the same error. I figured I had to edit /etc/pve/corosync.conf but it was read-only. So I tried: pvecm expected 1 But...

Hello. I had a problem with a node and it was turned off. While it was off I added a new node to the cluster to replace it. Now the original node is fixed and I turned it on again but now corosync is out of sync because a new node was added while it was off. I got important VM's in there. How...

The VM uses 16 GB memory and indeed all memory is taken by ZFS ARC. I'm wondering why this only seems to happen when there is a PCI passthrough. Is memory handled differently then?

I also have this "got timeout" issue sometimes. In my case it happens only with VMs that have a PCI passthrough usually after the hypervisor has been running for quite a while. I don't know why that is but I have a workaround that always seems to work. What I do is copy the entire command from...

I was looking more into it and found some very interesting information here and here. As it turns out PBS does incremental backups in 2 ways depending on the situation. One using 'dirty bitmaps' and the other using the SHA-256 checksums of each chunk (the chunks are stored with the checksum as...

Hello! I've been using PBS since about a year now, love it! I know it is recommended to run the server with SSD data disks. Unfortunately I cannot afford it and have to use spinning disks. Backup and restore works masterfully and perform well, but verification and sync seems to be too slow. At...

Well a single link is 111 MB's. Each added connection does add a tiny amount.

Anyways I've put a lot of time in this already and sort of giving up now. I'm now looking to buy 10 GbE SFP+ cards. I don't understand why performance is so poor, as below link claims 450 MB/s while I get only about 120. But already tried everything I could think of...

I have 9000 MTU at the bond interface. I'm not using a switch, cables are directly connected.

Thanks, I'll try it out after the weekend.

Hello! I did not test those ones. Actually they will not be suitable for increasing bandwidth of a single stream. According to this page: https://wiki.linuxfoundation.org/networking/bonding balance-rr This mode is the only mode that will permit a single TCP/IP connection to stripe traffic...

It is mostly for offline migrations, and also for backups to a NAS. I don't think the encryption is the issue here because with an offline migration it reached the same throughput as I got with iperf3.

Hi! I'm looking for a way to speed up migration between 2 servers. I bought 2 Quad Port GbE cards and wanted to bond the 4 ports. The setup in Proxmox was easy enough and I could get the connection established, but the resulting speed just about 1.2 Gb/s while I was expecting at least 3.5 Gb/s...