2200-introduction-nbd.html

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   5 <h1>Network Block Device (NBD) support in qemu</h1>
   6
   7 <ul>
   8   <li>v0.10 (2008): qemu can connect as client over NBD, and qemu-nbd
   9     introduced as standalone server tool</li>
  10   <li>v1.3 (2012): qemu can serve images over NBD concurrently with
  11     live guest (nbd-server-add QMP command), facilitating live storage
  12     migration</li>
  13   <li>v2.6 (2016): qemu was the first NBD client and server
  14     implementation to support TLS</li>
  15   <li>v2.12 (2018): qemu was first NBD client and server
  16     implementation to support BLOCK_STATUS extension</li>
  17   <li>v3.0 (2018): qemu added "qemu:dirty-bitmap:<i>name</i>" to
  18     expose persistent dirty bitmaps</li>
  19 </ul>
  20
  21 <p class="attribution">See also this 2019 KVM Forum
  22   presentation: <a href="https://www.youtube.com/watch?v=PMa6KFX9AxM">Making
  23   the Most of NBD</a>, Eric Blake and Rich Jones</p>