/tags/qemu/ Recent content in Qemu on Chris Irwin Hugo -- 0.147.7 en-us Tue, 10 Mar 2020 23:06:27 -0400 /posts/sharing-host-files-with-kvm/ Tue, 10 Mar 2020 23:06:27 -0400 /posts/sharing-host-files-with-kvm/ Adventures with sharing host files with a KVM VM using 9p and libvirt with SELinux. /posts/discard-with-kvm-2020/ Mon, 09 Mar 2020 18:10:33 -0400 /posts/discard-with-kvm-2020/ <p>While checking out some logs and google search analytics, I found that my post about <a href="/posts/discard-with-kvm/">Discard (TRIM) with KVM Virtual Machines</a> has been referenced far more than I expected it to be. I decided to take this opportitnity to fact-check and correct that article.</p> /posts/discard-with-kvm/ Sat, 17 Oct 2015 20:19:56 +0000 /posts/discard-with-kvm/ <h1 id="update---march-09-2020">Update - March 09 2020</h1> <p>Since writing this article, I&rsquo;ve made a few observations:</p> <ul> <li>More people read this than expected</li> <li>QEMU has since added discard support to the standard virtio disk, avoiding the need to use virtio-scsi</li> <li>It kinda sorta works out of the box.</li> </ul> <p>I&rsquo;ve written a brief followup: <a href="/posts/discard-with-kvm-2020/">Discard (TRIM) with KVM Virtual Machines&hellip; in 2020!</a></p> <h1 id="original-article">Original Article</h1> <p>I&rsquo;ve got a bunch of KVM virtual machines running at home. They all use sparse qcow2 files as storage, which is nice and space efficient &ndash; at least at the beginning.</p>