It wasn't just a few days ago that I posted via my blog post here that Proxmox 9.0 VE Server was released in Beta form. Now, the short-lived beta has now been released as a GA release! Pretty cool that things moved that fast.
In case you missed my blog and want the TLDR; of the new features, note the following below:
New features in Proxmox VE 9.0
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Debian 13 "Trixie" at the core - Proxmox VE now runs on Debian 13, also Linux kernel 6.14.8-2 for improved hardware compatibility and performance. Core components have been updated to QEMU 10.0.2, LXC 6.0.4, Ceph Squid 19.2.3, and ZFS 2.3.3. It includes now the ability to add devices to existing RAIDZ pools with zero downtime
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Snapshots for thick-provisioned LVM and file-based storages - I think this one will be huge, especially for those migrating from VMware. You can now take snapshots on VMs using thick-provisioned LVM shared storage (iSCSI/FC SAN) using volume-chain snapshots. Directory, NFS, and CIFS storage also now support QCOW2 chaining for snapshots. This has been a long-requested feature for traditional SAN users
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New SDN fabrics feature - The SDN stack introduces “Fabrics”, enabling two-layer spine-leaf architectures with multi-path routing and automatic NIC failover. It supports OpenFabric and OSPF protocols. This will help simplify the configuration of complex EVPN underlays or Ceph mesh networks
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HA resource affinity rules - Fine-grained control over HA placement is now possible. You can keep interdependent VMs together to reduce latency, or scatter replicas across nodes for best redundancy. This will definitely help with performance and resiliency for critical workloads
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Revamped mobile interface - This has been redesigned using the Rust Yew framework. You don't need a special app any longer from the app store for good mobile management. It provides a lightweight widget toolkit for mobile management of your env. You can Start/stop VMs and access other management tools from your mobile browser
Upgrading
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Download the ISO for bare-metal installs: https://proxmox.com/downloads
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Follow the seamless upgrade path from VE 8.4 or older: detailed instructions available in the Release Notes & Roadmap.
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Proxmox VE remains open source under AGPL v3; enterprise support subscriptions start at €115/year/CPU for access to the Enterprise Repository and premium support
Have you already tested VE 9.0 in your home lab or production environment? Let me know! Would love to have some good discussions on this. Let me know if you are planning on YOLO'ing!
