<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On Aug 20, 2012, at 12:47 PM, Samuel Winchenbach <<a href="mailto:swinchen@gmail.com">swinchen@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">Hi all,<br><br>I launched a large (100 GB) VM and made the changes I wanted<br>(installed software, created users, etc...) and made a snapshot.<br>Now I would like to launch VMs from that snapshot with a smaller disk<br>size, but no mater what flavor I select it always creates a 100GB<br>image.<br><br>Is there a way to reduce the ext4 partition size inside the qcow2 disk<br>image? It might involve creating a new image file and cloning over<br>the original image? If so what tools do you use for the cloning?<br><br></blockquote><div>Sam:</div><div><br></div><div>You can mount the qcow2 image in your file system using qemu-nbd (see <a href="http://en.wikibooks.org/wiki/QEMU/Images#Mounting_an_image_on_the_host">http://en.wikibooks.org/wiki/QEMU/Images#Mounting_an_image_on_the_host</a>) and then resize the partition using the e2fsprogs tools (e.g., see <a href="http://en.positon.org/post/Resize-an-ext3-ext4-partition">http://en.positon.org/post/Resize-an-ext3-ext4-partition</a>).</div><div><br></div><div><br></div><div>I believe you can also use libguestfs <<a href="http://libguestfs.org/">http://libguestfs.org/</a>> as an alternative to qemu-nbd, but I've never tried it.</div><div><br></div><div><br></div><div><br></div><div><div apple-content-edited="true"><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Take care,</div><div><br></div><div>Lorin</div><div>--</div><div>Lorin Hochstein</div><div>Lead Architect - Cloud Services</div><div>Nimbis Services, Inc.</div><div><a href="https://www.nimbisservices.com/">www.nimbisservices.com</a></div><div><br></div></div></span><br class="Apple-interchange-newline"></div><br class="Apple-interchange-newline"><br></span></div></div></div></body></html>