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	<title>Proxmox 9-Archiv - Ivan Ivanov</title>
	<atom:link href="https://ivanivanov.de/blog/tag/proxmox-9/feed/" rel="self" type="application/rss+xml" />
	<link>https://ivanivanov.de/blog/tag/proxmox-9/</link>
	<description>Have you tried turning it off and on again?</description>
	<lastBuildDate>Wed, 06 Aug 2025 08:18:00 +0000</lastBuildDate>
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		<title>Proxmox VE 9.0 stable erschienen</title>
		<link>https://ivanivanov.de/blog/proxmox-ve-9-0-stable-erschienen/</link>
		
		<dc:creator><![CDATA[Ivan]]></dc:creator>
		<pubDate>Wed, 06 Aug 2025 08:03:55 +0000</pubDate>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Tools]]></category>
		<category><![CDATA[Ceph Squid]]></category>
		<category><![CDATA[cgroup v2]]></category>
		<category><![CDATA[Cluster]]></category>
		<category><![CDATA[Dark Mode]]></category>
		<category><![CDATA[Debian 13]]></category>
		<category><![CDATA[GRUB]]></category>
		<category><![CDATA[IT-Infrastruktur]]></category>
		<category><![CDATA[Kernel 6.14]]></category>
		<category><![CDATA[KVM]]></category>
		<category><![CDATA[Linux Server]]></category>
		<category><![CDATA[Live-Migration]]></category>
		<category><![CDATA[LXC 6]]></category>
		<category><![CDATA[LXC Container]]></category>
		<category><![CDATA[Netzwerkmanagement]]></category>
		<category><![CDATA[NVIDIA vGPU]]></category>
		<category><![CDATA[Open Source]]></category>
		<category><![CDATA[OpenZFS 2.3]]></category>
		<category><![CDATA[Proxmox 9]]></category>
		<category><![CDATA[Proxmox Backup]]></category>
		<category><![CDATA[Proxmox Beta]]></category>
		<category><![CDATA[Proxmox Features]]></category>
		<category><![CDATA[Proxmox Neuerungen]]></category>
		<category><![CDATA[Proxmox Update]]></category>
		<category><![CDATA[Proxmox Upgrade]]></category>
		<category><![CDATA[Proxmox VE 9]]></category>
		<category><![CDATA[pve8to9]]></category>
		<category><![CDATA[QEMU 10]]></category>
		<category><![CDATA[RAID-Z Expansion]]></category>
		<category><![CDATA[SDN]]></category>
		<category><![CDATA[Serververwaltung]]></category>
		<category><![CDATA[Snapshot]]></category>
		<category><![CDATA[Storage]]></category>
		<category><![CDATA[Systemadministration]]></category>
		<category><![CDATA[Trixie]]></category>
		<category><![CDATA[UEFI]]></category>
		<category><![CDATA[virtualisierung]]></category>
		<category><![CDATA[Webinterface]]></category>
		<guid isPermaLink="false">https://ivanivanov.de/?p=4822</guid>

					<description><![CDATA[<p>Proxmox VE 9 – das bringt das neue Upgrade Basis-Update Basis ist Debian 13 „Trixie“, modern und sicher, mit aktuellen Bibliotheken und Hardwareunterstützung Neuer Linux‑Kernel 6.14.8‑1, mit optimierter Performance, ARM64- und NVMe-Unterstützung sowie verbessertem RDMA-Support ️ Virtualisierungsstack QEMU 10.0.2 bringt schnellere Live-Migrationen, bessere NUMA-/CPU-Awareness und Unterstützung neuer Features wie SEV/TDX LXC 6.0.4 unterstützt jetzt standardmäßig cgroups v2, bessere Isolation, Netzwerk-Namespace-Feature [&#8230;]</p>
<p>Der Beitrag <a href="https://ivanivanov.de/blog/proxmox-ve-9-0-stable-erschienen/">Proxmox VE 9.0 stable erschienen</a> erschien zuerst auf <a href="https://ivanivanov.de">Ivan Ivanov</a>.</p>
]]></description>
										<content:encoded><![CDATA[<h2 data-start="44" data-end="105"> Proxmox VE 9 – das bringt das neue Upgrade</h2>
<h3 data-start="107" data-end="126"> Basis-Update</h3>
<ul data-start="127" data-end="284">
<li data-start="127" data-end="205">
<p data-start="129" data-end="205"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out">Basis ist <strong data-start="10" data-end="32">Debian 13 „Trixie“</strong>, modern und sicher, mit aktuellen Bibliotheken und Hardwareunterstützung</span></p>
</li>
<li data-start="206" data-end="284">
<p data-start="208" data-end="284"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out">Neuer <strong data-start="6" data-end="31">Linux‑Kernel 6.14.8‑1</strong>, mit optimierter Performance, ARM64- und NVMe-Unterstützung sowie verbessertem RDMA-Support</span></p>
</li>
</ul>
<h3 data-start="286" data-end="315"> Virtualisierungsstack</h3>
<ul data-start="316" data-end="473">
<li data-start="316" data-end="394">
<p data-start="318" data-end="394"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out"><strong data-start="0" data-end="15" data-is-only-node="">QEMU 10.0.2</strong> bringt schnellere Live-Migrationen, bessere NUMA-/CPU-Awareness und Unterstützung neuer Features wie SEV/TDX</span></p>
</li>
<li data-start="316" data-end="394">
<p data-start="318" data-end="394"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out"><strong data-start="0" data-end="13" data-is-only-node="">LXC 6.0.4</strong> unterstützt jetzt standardmäßig <strong data-start="46" data-end="60">cgroups v2</strong>, bessere Isolation, Netzwerk-Namespace-Feature und kompatibel mit unprivilegierten Containern</span></p>
</li>
</ul>
<h3 data-start="475" data-end="497"> Speicher &amp; Ceph</h3>
<ul data-start="498" data-end="661">
<li data-start="498" data-end="578">
<p data-start="500" data-end="578"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out"><strong data-start="0" data-end="17" data-is-only-node="">OpenZFS 2.3.3</strong>: Unterstützung für <strong data-start="37" data-end="57">RAID‑Z Expansion</strong> ohne Neuaufbau, verbesserte Snapshot-Leistung und statistische Raumabschätzung</span></p>
</li>
<li data-start="579" data-end="661">
<p data-start="581" data-end="661"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out"><strong data-start="0" data-end="21" data-is-only-node="">Ceph Squid 19.2.2</strong> als neue Standard-Version (ersetzt Reef), mit verbesserter Stabilität und Cluster-Integration. Hervorragend für bestehende Cluster, sofern vorher Ceph upgegradet wird</span></p>
</li>
</ul>
<h3 data-start="663" data-end="683"> Volumes &amp; SDN</h3>
<ul data-start="684" data-end="849">
<li data-start="684" data-end="766">
<p data-start="686" data-end="766"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out"><strong data-start="0" data-end="60" data-is-only-node="">Snapshot-Unterstützung für thick‑provisioned LVM‑Volumes</strong> (z. B. iSCSI oder Fibre Channel), ideal für SAN-Setups – aktuell als Tech-Preview verfügbar</span></p>
</li>
<li data-start="767" data-end="849">
<p data-start="769" data-end="849"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out"><strong data-start="0" data-end="15" data-is-only-node="">SDN Fabrics</strong>: neue Unterstützung für komplexe Netzwerk-Topologien (Spine‑Leaf, Full‑Mesh Ceph, VPN‑Unterlay), gesteuert über web UI/API</span></p>
</li>
</ul>
<h3 data-start="851" data-end="882">&#x200d; GUI &amp; Nutzererfahrung</h3>
<ul data-start="883" data-end="1268">
<li data-start="883" data-end="965">
<p data-start="885" data-end="965"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out"><strong data-start="0" data-end="17" data-is-only-node="">Dunkles Theme</strong> ist nun standardmäßig aktiviert im Web‑Interface</span></p>
</li>
<li data-start="966" data-end="1268">
<p data-start="968" data-end="1007"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out">Zahlreiche Bugfixes und Verbesserungen:</span></p>
<ul data-start="1010" data-end="1268">
<li data-start="1010" data-end="1051">
<p data-start="1012" data-end="1051"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out">Fehlerbehebung bei SMTP‑Benachrichtigungen,</span></p>
</li>
<li data-start="1054" data-end="1095">
<p data-start="1056" data-end="1095"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out">Stabilität im Login-Verhalten,</span></p>
</li>
<li data-start="1098" data-end="1139">
<p data-start="1100" data-end="1139"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out">besseres Error‑Reporting bei fehlgeschlagenem Login,</span></p>
</li>
<li data-start="1142" data-end="1183">
<p data-start="1144" data-end="1183"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out">GUI-features beim VirtIO vNIC wie Bridge MTU‑Übernahme,</span></p>
</li>
<li data-start="1186" data-end="1268">
<p data-start="1188" data-end="1268"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out">Anpassungen beim Device‑Hotplugging und OVMF für aarch64-VMs</span></p>
</li>
</ul>
</li>
</ul>
<h3 data-start="1270" data-end="1308"><img src="https://s.w.org/images/core/emoji/17.0.2/72x72/2699.png" alt="⚙" class="wp-smiley" style="height: 1em; max-height: 1em;" /> Weitere Technik &amp; Infrastruktur</h3>
<ul data-start="1309" data-end="1640">
<li data-start="1309" data-end="1391">
<p data-start="1311" data-end="1391"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out"><strong data-start="0" data-end="41" data-is-only-node="">Vollständige Entfernung von cgroup v1</strong> – alle Container müssen cgroups v2 nutzen. GlusterFS wird nicht mehr unterstützt, weitere Legacy-Komponenten abgeschaltet</span></p>
</li>
<li data-start="1392" data-end="1474">
<p data-start="1394" data-end="1474"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out"><strong data-start="0" data-end="14" data-is-only-node="">UEFI-/GRUB</strong>: Verbesserte Boot-Erkennung (insb. bei LVM) und sichereres Booten via TPM2/Verschlüsselung</span></p>
</li>
<li data-start="1475" data-end="1557">
<p data-start="1477" data-end="1557"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out"><strong data-start="0" data-end="15" data-is-only-node="">NVIDIA vGPU</strong>: nur noch unterstützt mit Treibern der Version 570.158.02 oder neuer</span></p>
</li>
<li data-start="1558" data-end="1640">
<p data-start="1560" data-end="1640"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out"><strong data-start="0" data-end="26" data-is-only-node="">CPU‑Microcode-Firmware</strong>: Das non-free Microcode-Repo ist standardmäßig aktiviert für Intel/AMD-Patches</span></p>
</li>
</ul>
<h3 data-start="1642" data-end="1663"> Upgrade‑Pflege</h3>
<ul data-start="1664" data-end="1829">
<li data-start="1664" data-end="1746">
<p data-start="1666" data-end="1746"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out"><strong data-start="0" data-end="20" data-is-only-node="">In-Place-Upgrade</strong> wird unterstützt via APT („pve8to9“) für Proxmox VE 8.x → 9.0, inklusive Cluster-Support und Upgrade von Ceph‑Ref → Squid</span></p>
</li>
<li data-start="1747" data-end="1829">
<p data-start="1749" data-end="1829"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out"><strong data-start="0" data-end="29" data-is-only-node="">Wichtige Upgrade-Hinweise</strong> zu Breaking Changes: Netzwerknamen, cgroup-Wechsel, LVM-Konflikte, GRUB-Probleme, NVIDIA vGPU und Legacy‑Storage. Ausbauempfehlungen im Wiki dokumentiert</span></p>
</li>
</ul>
<p>Der Beitrag <a href="https://ivanivanov.de/blog/proxmox-ve-9-0-stable-erschienen/">Proxmox VE 9.0 stable erschienen</a> erschien zuerst auf <a href="https://ivanivanov.de">Ivan Ivanov</a>.</p>
]]></content:encoded>
					
		
		
		<post-id xmlns="com-wordpress:feed-additions:1">4822</post-id>	</item>
		<item>
		<title>Proxmox Upgrade 8.4.x &gt; 9.x</title>
		<link>https://ivanivanov.de/blog/proxmox-upgrade-8-4-x-9-x/</link>
		
		<dc:creator><![CDATA[Ivan]]></dc:creator>
		<pubDate>Wed, 06 Aug 2025 08:00:19 +0000</pubDate>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Tools]]></category>
		<category><![CDATA[APT Upgrade]]></category>
		<category><![CDATA[Ceph]]></category>
		<category><![CDATA[Cluster Upgrade]]></category>
		<category><![CDATA[Debian Trixie]]></category>
		<category><![CDATA[GRUB]]></category>
		<category><![CDATA[Hosting]]></category>
		<category><![CDATA[IT Sicherheit]]></category>
		<category><![CDATA[IT-Infrastruktur]]></category>
		<category><![CDATA[Kernel 6.14]]></category>
		<category><![CDATA[KVM]]></category>
		<category><![CDATA[Linux Admin]]></category>
		<category><![CDATA[Linux Server]]></category>
		<category><![CDATA[LXC]]></category>
		<category><![CDATA[Netzwerkinterfaces]]></category>
		<category><![CDATA[Open Source]]></category>
		<category><![CDATA[proxmox]]></category>
		<category><![CDATA[Proxmox 8.4]]></category>
		<category><![CDATA[Proxmox 9]]></category>
		<category><![CDATA[Proxmox Backup]]></category>
		<category><![CDATA[Proxmox Konfiguration]]></category>
		<category><![CDATA[Proxmox Netzwerk]]></category>
		<category><![CDATA[Proxmox Tutorial]]></category>
		<category><![CDATA[Proxmox Upgrade]]></category>
		<category><![CDATA[Proxmox VE]]></category>
		<category><![CDATA[pve8to9]]></category>
		<category><![CDATA[Reboot]]></category>
		<category><![CDATA[Rechenzentrum]]></category>
		<category><![CDATA[Repositories]]></category>
		<category><![CDATA[Root Server]]></category>
		<category><![CDATA[Server Upgrade]]></category>
		<category><![CDATA[Servermanagement]]></category>
		<category><![CDATA[SSH]]></category>
		<category><![CDATA[Systemadministration]]></category>
		<category><![CDATA[Systemd]]></category>
		<category><![CDATA[UEFI]]></category>
		<category><![CDATA[Upgrade Anleitung]]></category>
		<category><![CDATA[virtualisierung]]></category>
		<category><![CDATA[Virtualisierungsplattform]]></category>
		<guid isPermaLink="false">https://ivanivanov.de/?p=4819</guid>

					<description><![CDATA[<p>Tutorial zum Upgrade von Proxmox VE 8.4 auf Proxmox VE 9.0 (aktuell aufbauend auf Debian 13 „Trixie“, Kernel 6.14), Vor dem Upgrade immer an einem Backup denken! ️ Übersicht &#38; Vorbereitung Wichtig: Erstelle vollständige und getestete Backups aller VMs und Container (z. B. mittels Proxmox Backup Server oder vzdump). Teste auch die Wiederherstellung in einer Lab-Umgebung Stelle [&#8230;]</p>
<p>Der Beitrag <a href="https://ivanivanov.de/blog/proxmox-upgrade-8-4-x-9-x/">Proxmox Upgrade 8.4.x &gt; 9.x</a> erschien zuerst auf <a href="https://ivanivanov.de">Ivan Ivanov</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p data-start="0" data-end="37"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out">Tutorial zum Upgrade <strong data-start="52" data-end="93">von Proxmox VE 8.4 auf Proxmox VE 9.0</strong> (aktuell aufbauend auf Debian 13 „Trixie“, Kernel 6.14), Vor dem Upgrade immer an einem Backup denken!</span></p>
<hr data-start="39" data-end="42" />
<h2 data-start="44" data-end="75">&#xfe0f; Übersicht &amp; Vorbereitung</h2>
<ul data-start="77" data-end="313">
<li data-start="77" data-end="155">
<p data-start="79" data-end="155"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out"><strong data-start="0" data-end="12" data-is-only-node="">Wichtig:</strong> Erstelle <strong data-start="22" data-end="60">vollständige und getestete Backups</strong> aller VMs und Container (z. B. mittels Proxmox Backup Server oder vzdump). Teste auch die Wiederherstellung in einer Lab-Umgebung</span></p>
</li>
<li data-start="156" data-end="234">
<p data-start="158" data-end="234"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out">Stelle sicher, dass du mindestens <strong data-start="34" data-end="63">5 GB freien Speicherplatz</strong> auf dem Root-Dateisystem hast (10 GB empfohlen)</span></p>
</li>
<li data-start="235" data-end="313">
<p data-start="237" data-end="313"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out">Verwende eine alternative Management-Verbindung wie IPMI, iKVM oder direkten Konsolenzugriff – SSH allein kann riskant sein, wenn der Netzwerkstack während des Upgrades neu konfiguriert wird</span></p>
</li>
</ul>
<hr data-start="315" data-end="318" />
<h2 data-start="320" data-end="342">Testen des Upgrades</h2>
<ul data-start="344" data-end="503">
<li data-start="344" data-end="422">
<p data-start="346" data-end="422"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out">Richte eine <strong data-start="12" data-end="27">Testinstanz</strong> ein (z. B. eine VM oder Testhardware mit Proxmox VE 8.4), und führe dort das Upgrade durch, bevor du es im Produktivsystem anwendest.</span></p>
</li>
<li data-start="423" data-end="503">
<p data-start="425" data-end="503"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out"><strong data-start="0" data-end="30" data-is-only-node="">Führe das Script <code data-start="19" data-end="28">pve8to9</code></strong> mehrfach aus (am besten mit <code data-start="59" data-end="67">--full</code>), um potenzielle Problempunkte frühzeitig zu erkennen.</span></p>
</li>
</ul>
<hr data-start="505" data-end="508" />
<h2 data-start="510" data-end="542">Schritt-für-Schritt Anleitung</h2>
<h3 data-start="544" data-end="583">Schritt 1: Checkliste &amp; Vorarbeiten</h3>
<ol data-start="584" data-end="669">
<li data-start="584" data-end="626">
<p data-start="587" data-end="626"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out">Sichere VMs/CTs vollständig.</span></p>
</li>
<li data-start="627" data-end="669">
<p data-start="630" data-end="669"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out">Führe<br />
</span><code data-start="6" data-end="22">pve8to9 --full</code><br />
aus, behebe gemeldete Warnungen, und führe es erneut aus.</p>
</li>
</ol>
<h3 data-start="671" data-end="712">Schritt 2: Repositories aktualisieren</h3>
<ol start="3" data-start="713" data-end="1248">
<li data-start="713" data-end="807">
<p data-start="716" data-end="755"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out">Aktualisiere dein System auf den neuesten Stand von Proxmox 8.4:</span></p>
<div class="contain-inline-size rounded-2xl relative bg-token-sidebar-surface-primary">
<div class="sticky top-9">
<div class="absolute end-0 bottom-0 flex h-9 items-center pe-2">
<div class="bg-token-bg-elevated-secondary text-token-text-secondary flex items-center gap-4 rounded-sm px-2 font-sans text-xs"><code class="whitespace-pre! language-bash">apt update<br />
apt full-upgrade</code></div>
</div>
</div>
</div>
</li>
<li data-start="808" data-end="998">
<p data-start="811" data-end="850"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out">Ändere in <code data-start="10" data-end="33">/etc/apt/sources.list</code> bzw. <code data-start="39" data-end="66">/etc/apt/sources.list.d/*</code> <strong data-start="67" data-end="88">Bookworm → Trixie</strong>:</span></p>
<div class="contain-inline-size rounded-2xl relative bg-token-sidebar-surface-primary">
<div class="sticky top-9">
<div class="absolute end-0 bottom-0 flex h-9 items-center pe-2"></div>
</div>
<div class="overflow-y-auto p-4" dir="ltr"><code class="whitespace-pre! language-bash">sed -i <span class="hljs-string">'s/bookworm/trixie/g'</span> /etc/apt/sources.list<br />
sed -i <span class="hljs-string">'s/bookworm/trixie/g'</span> /etc/apt/sources.list.d/pve-enterprise.list<br />
</code></div>
</div>
</li>
<li data-start="999" data-end="1164">
<p data-start="1002" data-end="1041"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out">Füge das Repository für Proxmox VE 9 hinzu (z. B. <code data-start="50" data-end="60">pve-test</code>):</span></p>
<div class="contain-inline-size rounded-2xl relative bg-token-sidebar-surface-primary">
<div class="sticky top-9">
<div class="absolute end-0 bottom-0 flex h-9 items-center pe-2"></div>
</div>
<div class="overflow-y-auto p-4" dir="ltr"><code class="whitespace-pre! language-bash"><span class="hljs-built_in">echo</span> <span class="hljs-string">"deb http://download.proxmox.com/debian/pve trixie pve-test"</span> &gt; /etc/apt/sources.list.d/pve9.list<br />
</code></div>
</div>
</li>
<li data-start="1165" data-end="1248">
<p data-start="1168" data-end="1248"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out">Ergänze ggf. Ceph‑Repository, wenn du Ceph verwendest.</span></p>
</li>
</ol>
<h3 data-start="1250" data-end="1290">Schritt 3: Systemupgrade durchführen</h3>
<ol start="7" data-start="1291" data-end="1460">
<li data-start="1291" data-end="1388">
<p data-start="1294" data-end="1333"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out">Aktualisiere Apt-Indizes:</span></p>
<div class="contain-inline-size rounded-2xl relative bg-token-sidebar-surface-primary">
<div class="overflow-y-auto p-4" dir="ltr"><code class="whitespace-pre! language-bash">apt update<br />
apt full-upgrade -y<br />
</code></div>
</div>
</li>
<li data-start="1389" data-end="1460">
<p data-start="1392" data-end="1431"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out"><strong data-start="0" data-end="18" data-is-only-node="">Falls behoben:</strong> Neuere Kernel und Software (Debian Trixie + Proxmox VE 9) werden installiert. Reboot erforderlich:</span></p>
<div class="contain-inline-size rounded-2xl relative bg-token-sidebar-surface-primary">
<div class="overflow-y-auto p-4" dir="ltr"><code class="whitespace-pre! language-bash">reboot<br />
</code></div>
</div>
</li>
</ol>
<h3 data-start="1462" data-end="1492">Schritt 4: Nach dem Reboot</h3>
<ol start="9" data-start="1493" data-end="1623">
<li data-start="1493" data-end="1535">
<p data-start="1496" data-end="1535"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out"><strong data-start="0" data-end="16" data-is-only-node="">Kernel-Check</strong>: <code data-start="18" data-end="28">uname -r</code> sollte auf die neue Version (6.14.x) hinweisen.</span></p>
</li>
<li data-start="1536" data-end="1579">
<p data-start="1540" data-end="1579"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out">Überprüfe alle Dienste und VMs/CTs.</span></p>
</li>
<li data-start="1580" data-end="1623">
<p data-start="1584" data-end="1623"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out">Führe nach Möglichkeit erneut <code data-start="30" data-end="39">pve8to9</code> aus, um weitere Hinweise nach dem Upgrade zu bekommen.</span></p>
</li>
</ol>
<hr data-start="1625" data-end="1628" />
<h2 data-start="1630" data-end="1673">Besonderheiten &amp; bekannte Fallstricke</h2>
<ul data-start="1675" data-end="1923">
<li data-start="1675" data-end="1757">
<p data-start="1677" data-end="1757"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out"><strong data-start="0" data-end="23" data-is-only-node="">Ceph‑Upgrade nötig?</strong> Wenn du Ceph von Reef (8.4) nutzt, musst du ggf. vor dem VE‑Upgrade von Reef auf Squid upgraden</span></p>
</li>
<li data-start="1758" data-end="1840">
<p data-start="1760" data-end="1840"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out"><strong data-start="0" data-end="29" data-is-only-node="">Namensänderungen bei NICs</strong>: Der Kernel 6.14 kann neue Netzwerk-Interface-Namen verursachen. Proxmox VE 9 erlaubt die Verwendung von Aliasnamen, aber Firewall- oder Netzwerkkonfigurationen sollten überprüft werden</span></p>
</li>
<li data-start="1841" data-end="1923">
<p data-start="1843" data-end="1923"><span class="relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out"><strong data-start="0" data-end="24" data-is-only-node="">cgroup‑v1 Entfernung</strong>, <strong data-start="26" data-end="56">GRUB Probleme bei LVM‑UEFI</strong>, <strong data-start="58" data-end="92">NVIDIA vGPU Inkompatibilitäten</strong> – siehe Abschnitt „Known Upgrade Issues“ der offiziellen Anleitung</span></p>
</li>
</ul>
<hr data-start="1925" data-end="1928" />
<h2 data-start="1930" data-end="1968">Upgrade ein Beispielskript (CLI)</h2>
<div class="contain-inline-size rounded-2xl relative bg-token-sidebar-surface-primary">
<div class="overflow-y-auto p-4" dir="ltr"><code class="whitespace-pre! language-bash"><span class="hljs-comment"># 1. Backup &amp; Vorbereitung</span><br />
</code></div>
<div class="overflow-y-auto p-4" dir="ltr"><code class="whitespace-pre! language-bash">pve8to9 --full<br />
</code></div>
<div class="overflow-y-auto p-4" dir="ltr"><code class="whitespace-pre! language-bash"><span class="hljs-comment"># 2. Repositories auf Trixie aktualisieren</span><br />
</code></div>
<div class="overflow-y-auto p-4" dir="ltr"><code class="whitespace-pre! language-bash">sed -i <span class="hljs-string">'s/bookworm/trixie/g'</span> /etc/apt/sources.list</code></div>
<div class="overflow-y-auto p-4" dir="ltr"><code class="whitespace-pre! language-bash">sed -i <span class="hljs-string">'s/bookworm/trixie/g'</span> /etc/apt/sources.list.d/pve-enterprise.list<br />
</code></div>
<div class="overflow-y-auto p-4" dir="ltr"><code class="whitespace-pre! language-bash"><span class="hljs-built_in">echo</span> <span class="hljs-string">"deb http://download.proxmox.com/debian/pve trixie pve-test"</span> &gt; /etc/apt/sources.list.d/pve9.list</code></div>
<div class="overflow-y-auto p-4" dir="ltr"><code class="whitespace-pre! language-bash"><span class="hljs-comment"># (optional) Ceph‑Repo ebenfalls anpassen bei Nutzung von Ceph</span><br />
</code></div>
<div dir="ltr"></div>
<div class="overflow-y-auto p-4" dir="ltr"><code class="whitespace-pre! language-bash"><span class="hljs-comment"># 3. Upgrade</span><br />
</code></div>
<div class="overflow-y-auto p-4" dir="ltr"><code class="whitespace-pre! language-bash">apt update<br />
</code></div>
<div class="overflow-y-auto p-4" dir="ltr"><code class="whitespace-pre! language-bash">apt full-upgrade -y<br />
</code></div>
<div dir="ltr"></div>
<div class="overflow-y-auto p-4" dir="ltr"><code class="whitespace-pre! language-bash"><span class="hljs-comment"># 4. Neustart</span><br />
reboot</code></div>
<div class="overflow-y-auto p-4" dir="ltr"><code class="whitespace-pre! language-bash"><span class="hljs-comment"># 5. Nachbereitung</span><br />
</code></div>
<div class="overflow-y-auto p-4" dir="ltr"><code class="whitespace-pre! language-bash"><span class="hljs-built_in">uname</span> -r<br />
</code></div>
<div class="overflow-y-auto p-4" dir="ltr"><code class="whitespace-pre! language-bash">pve8to9 --full<br />
</code></div>
</div>
<div dir="ltr"></div>
<div dir="ltr"><strong>Offizielle Anleitung</strong>: <a href="https://pve.proxmox.com/wiki/Upgrade_from_8_to_9">https://pve.proxmox.com/wiki/Upgrade_from_8_to_9</a></div>
<p>Der Beitrag <a href="https://ivanivanov.de/blog/proxmox-upgrade-8-4-x-9-x/">Proxmox Upgrade 8.4.x &gt; 9.x</a> erschien zuerst auf <a href="https://ivanivanov.de">Ivan Ivanov</a>.</p>
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