https://alwaldend.com/tags/ceph/ Recent content in Ceph on Alwaldend Hugo en https://alwaldend.com/docs/infra/ceph/ Mon, 01 Jan 0001 00:00:00 +0000 https://alwaldend.com/docs/infra/ceph/ <h2 id="links">Links<a class="td-heading-self-link" href="#links" aria-label="Heading self-link"></a></h2><ul> <li>Proxmox docs: <a href="https://pve.proxmox.com/wiki/Deploy_Hyper-Converged_Ceph_Cluster">https://pve.proxmox.com/wiki/Deploy_Hyper-Converged_Ceph_Cluster</a></li> <li>Single node crushmap: <a href="https://imanudin.net/2025/05/12/proxmox-ceph-single-node-installation-for-test-lab-or-home-setup/">https://imanudin.net/2025/05/12/proxmox-ceph-single-node-installation-for-test-lab-or-home-setup/</a></li> </ul> <h2 id="see-current-crush-map">See current crush map<a class="td-heading-self-link" href="#see-current-crush-map" aria-label="Heading self-link"></a></h2><p>Go to Nodes -&gt; Host -&gt; Ceph -&gt; Configuration</p> <h2 id="crush-map-update">Crush map update<a class="td-heading-self-link" href="#crush-map-update" aria-label="Heading self-link"></a></h2><p>Ssh to the PVE host and update the map:</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-sh" data-lang="sh"><span style="display:flex;"><span>sudo ceph osd getcrushmap -o crushmap.cm </span></span><span style="display:flex;"><span>sudo crushtool --decompile crushmap.cm -o crushmap.txt </span></span><span style="display:flex;"><span>sudo vim crushmap.txt </span></span><span style="display:flex;"><span>sudo crushtool --compile crushmap.txt -o new_crushmap.cm </span></span><span style="display:flex;"><span>sudo ceph osd setcrushmap -i new_crushmap.cm </span></span><span style="display:flex;"><span>sudo ceph -s </span></span></code></pre></div>