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I'm drawing up plans for remote backups of a few ProxMox servers, non-cluster single machines in different locations. After reading through the forum, AI tools and other sources, it seems like using ZFS send/receive to a remote server also running ZFS ( rsync.net or my own server) would be the...

On my ProxMox servers, I have two NICs for user traffic. They are configured as br0 (192.168.90.x) and br1 (192.168.100.x) Ideally I would love to bond the two NICS into one interface and connect them to two separate switches for physical redundancy. But I was not able to get this working when...

Users had been complaining about laggy VM performace on our HDD-based Ceph pool. With many users VMs having many applications that are logging to disk, I see a lot of small writes with write IOPS > 5x read IOPS. Reading up here and elsewhere, it seems that Write-back may yield better...

I'm looking into implementing additional backups for a basic Proxmox host (no Ceph/SAN). Currently it's just rsync to another physical non-Proxmox machine and that machine died thus prompting a look into additional offsite backup. The initial plan was to backup to a remote storage like...

Has anybody tried or is it possible to run a VM that uses multiple monitors for extended desktop? i.e. able to drag an application window from one screen to another. In normal kvm/libvirt, it seems that this is possible by adding QXL devices. However, the ProxMox interface does not appear to...

Using PVE 7.2. For max live migration compatibility I had been sticking to kvm64 but some requirements now need some VMs to use x86-64v2 spec. The flags used for the cpu model inside cpu-models.conf are: flags: +cx16;+lahf-lm;+popcnt;+sse4.1;+sse4.2;+ssse3 I was able to enable all the other...

I have a PVE 7.2-7 HA cluster with Ceph. Some VMs were originally on local ZFS storage on Node A which was our first node before Ceph was installed. They were migrated to Ceph storage eventually but unfortunately I overlooked that there were some snapshots and unused disks still on Node A local...

I have a bond interface configured with two network adapters. This is on all my nodes. The bond interface carries two networks 10.1.1.x/24 and 10.1.2.x/24 auto bond0 iface bond0 inet static address 10.1.1.2/24 bond-slaves enp1s0f0np0 enp1s0f1np1 bond-miimon 100...

I am trying to migrate VMs from various existing platforms into Proxmox and they commonly allow exporting VMs either in OVF or OVA format. Unfortunately, there are various problems when trying to qm importovf because, depending on the platform, they have custom tags which seem to confuse the...

I have two 25G fibre interfaces on each server. I want to bond these in active-backup mode. They are connected to different physical switches. There are additional 10G interfaces for users to access VMs and ProxMox itself so these are not part of the usage for the 25G interfaces. I plan to...

I have two Proxmox host, Host A running 5.0 and Host B running 6.2, both on the same physical network and same logical subnet. They are not in the same cluster currently. The plan is to migrate user data from Host A VM to Host B, then reinstall Host A with 6.2 to make a 2 node cluster. I've...

Using Proxmox 6.2.4 For added security, I'm trying to add a firewall rule to DROP all connections to port 22 from external networks. I already have SSH working on an alternative port. Under "Datacenter" -> my_node1 -> Firewall, adding a rule IN DROP SSH (macro name) or IN DROP tcp 22 has no...