9000-final.html

   1 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
   2 <link rel="stylesheet" href="style.css" type="text/css"/>
   3 <script src="code.js" type="text/javascript"></script>
   4
   5 <h1>In summary</h1>
   6
   7 <ul>
   8 <li> qcow2 images with dirty bitmaps can do change block tracking.
   9 <li> NBD protocol exposing those bitmaps opens possibilities.
  10 <li> Libvirt aids incremental backup across backing chains.
  11 <li> Expect more use cases as more software plays with incremental backups.
  12 </ul>
  13
  14 <h2>Get it</h2>
  15
  16 <ul>
  17 <li> qemu &ge; 5.1
  18   <a href="https://qemu.org/">https://qemu.org</a>
  19   plus patches for block-dirty-bitmap-populate <a href="...">FIXME</a>
  20 <li> libnbd &ge; 1.5.4
  21  <a href="https://github.com/libguestfs/libnbd">https://github.com/libguestfs/libnbd</a>
  22 <li> libvirt &ge; 6.7.0
  23  <a href="https://github.com/libguestfs/nbdkit">https://github.com/libguestfs/nbdkit</a>
  24 <li> This talk: <a href="https://repo.or.cz/eblake-techtalks.git">https://repo.or.cz/eblake-techtalks.git</a>
  25 <li> Presentation software: Tech Talk PSE 1.2
  26 </ul>
  27
  28 <h2>Any Questions?</h2>