{"id":1106,"date":"2025-08-08T10:34:37","date_gmt":"2025-08-08T10:34:37","guid":{"rendered":"https:\/\/www.blackrack.pl\/proxmox-ve-9-0-the-stable-version-is-now-available\/"},"modified":"2026-08-25T22:02:21","modified_gmt":"2026-08-25T22:02:21","slug":"proxmox-ve-9-0-the-stable-version-is-now-available","status":"publish","type":"post","link":"https:\/\/www.blackrack.eu\/en\/proxmox-ve-9-0-the-stable-version-is-now-available\/","title":{"rendered":"Proxmox VE 9.0 \u2013 The stable version is now available!"},"content":{"rendered":"<p><b>Release date:<\/b> August 5, 2025<\/p>\n<p><i>Proxmox VE 9.0<\/i> is the largest update to the popular open-source virtualization platform in years. The new version is based on Debian 13 &#8220;Trixie&#8221; and the default Linux kernel 6.14.8-2, offering improved performance, security, and support for the latest hardware.<\/p>\n<h2>Why should you upgrade?<\/h2>\n<ul>\n<li aria-level=\"1\"><b>Increased reliability<\/b> \u2013 snapshots on shared LVMs (iSCSI \/ Fibre Channel) operate independently of the SAN provider.<\/li>\n<li aria-level=\"1\"><b>Zero-downtime for storage<\/b> \u2013 expanding the RAIDZ pool &#8220;on the fly&#8221; allows adding disks without service interruptions.<\/li>\n<li aria-level=\"1\"><b>Flexible SDN networks<\/b> \u2013 the <i>Fabrics<\/i> module automatically switches interfaces and simplifies spine-leaf, EVPN, or Ceph topologies.<\/li>\n<li aria-level=\"1\"><b>More HA control<\/b> \u2013 new affinity rules help keep critical VMs\/CTs on the appropriate hosts.<\/li>\n<li aria-level=\"1\"><b>Mobile management<\/b> \u2013 the refreshed mobile interface (Rust + Yew) allows starting, stopping, and monitoring machines directly in the browser.<\/li>\n<\/ul>\n<h2>What&#8217;s new under the hood?<\/h2>\n<ul>\n<li aria-level=\"1\">QEMU 10.0.2, LXC 6.0.4, ZFS 2.3.3, Ceph Squid 19.2.3<\/li>\n<li aria-level=\"1\">Security updates from Debian 13<\/li>\n<li aria-level=\"1\">Detailed migration guide from Proxmox VE 8.x<\/li>\n<\/ul>\n<h2>Benefits for Black Rack customers<\/h2>\n<p>Upgrading to Proxmox VE 9.0 means:<\/p>\n<table>\n<tbody>\n<tr>\n<td>Benefit<\/td>\n<td>Black Rack Service<\/td>\n<\/tr>\n<tr>\n<td><b>Less risk<\/b> \u2013 continuous monitoring and proactive responses<\/td>\n<td>SysOps 24\/7<\/td>\n<\/tr>\n<tr>\n<td><b>Faster projects<\/b> \u2013 CI\/CD automation, SDN and Ceph integration<\/td>\n<td>Black Rack DevOps<\/td>\n<\/tr>\n<tr>\n<td><b>Flexible backups<\/b> \u2013 data protection in the latest PBS 4<\/td>\n<td>PBS-Shield<\/td>\n<\/tr>\n<tr>\n<td><b>Safe migration<\/b> \u2013 architecture audit, snapshot testing, contingency plan<\/td>\n<td>Turnkey migration<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2>How to upgrade from 8.4 to 9.0?<\/h2>\n<ol>\n<li aria-level=\"1\">Perform a full backup in PBS.<\/li>\n<li aria-level=\"1\"><b>Get help from Black Rack<\/b> \u2013 we will analyze your infrastructure, prepare an upgrade plan, and guide you through the entire process step by step.<\/li>\n<li aria-level=\"1\">Test the migration in a staging environment \u2013 Black Rack will provide you with a ready lab.<\/li>\n<li aria-level=\"1\">Follow the <a href=\"https:\/\/pve.proxmox.com\/wiki\/Upgrade_from_8_to_9\">upgrade guide<\/a>.<\/li>\n<li aria-level=\"1\">Schedule a maintenance window \u2013 our engineering team will be on standby.<\/li>\n<\/ol>\n<p><b>You have a year for a smooth migration<\/b> \u2013 Proxmox VE 8.4 will receive security patches until August 2026.<\/p>\n<h2>Next step<\/h2>\n<p>Do you want to use new snapshots, SDN, or ZFS without risk?<\/p>\n<ul>\n<li aria-level=\"1\"><b>Free consultation<\/b> \u2013 we will discuss your infrastructure and tailor a strategy.<\/li>\n<li aria-level=\"1\"><b>Turnkey migration<\/b> \u2013 Black Rack will handle the entire upgrade process, from audit to final testing.<\/li>\n<li aria-level=\"1\"><b>Post-implementation support<\/b> \u2013 we respond 24\/7 and take care of further updates.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/blackrack.pl\/kontakt\">Contact us<\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Release date: August 5, 2025 Proxmox VE 9.0 is the largest update to the popular open-source virtualization platform in years. The new version is based on Debian 13 &#8220;Trixie&#8221; and the default Linux kernel 6.14.8-2, offering improved performance, security, and support for the latest hardware. Why should you upgrade? Increased reliability \u2013 snapshots on shared [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":801,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[108],"tags":[],"class_list":["post-1106","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-virtualization-and-proxmox-en"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.blackrack.eu\/en\/wp-json\/wp\/v2\/posts\/1106","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.blackrack.eu\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.blackrack.eu\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.blackrack.eu\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.blackrack.eu\/en\/wp-json\/wp\/v2\/comments?post=1106"}],"version-history":[{"count":2,"href":"https:\/\/www.blackrack.eu\/en\/wp-json\/wp\/v2\/posts\/1106\/revisions"}],"predecessor-version":[{"id":1820,"href":"https:\/\/www.blackrack.eu\/en\/wp-json\/wp\/v2\/posts\/1106\/revisions\/1820"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.blackrack.eu\/en\/wp-json\/wp\/v2\/media\/801"}],"wp:attachment":[{"href":"https:\/\/www.blackrack.eu\/en\/wp-json\/wp\/v2\/media?parent=1106"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.blackrack.eu\/en\/wp-json\/wp\/v2\/categories?post=1106"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.blackrack.eu\/en\/wp-json\/wp\/v2\/tags?post=1106"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}