<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hi All,<div class=""><br class=""></div><div class="">We have got some patches that allows a near live upgrade of Cinder from Juno -> Kilo. It allows juno cinder-volumes to live with kilo API and schedulers.</div><div class=""><br class=""></div><div class="">You basically need to ensure your juno hosts all have the patch</div><div class="">Run the kilo DB migrations</div><div class="">then upgrade api and scheduler to kilo. </div><div class="">Then you can upgrade your cinder-volumes one by one (which is handy if you have lots of them like we do)</div><div class=""><br class=""></div><div class="">Patch for juno is <a href="https://github.com/NeCTAR-RC/cinder/commit/e70ad0bcf7f1932e6bea6c893e886a293d973bf5" class="">https://github.com/NeCTAR-RC/cinder/commit/e70ad0bcf7f1932e6bea6c893e886a293d973bf5</a></div><div class=""><br class=""></div><div class="">You also need a minor patch to kilo to stop it deleting certain columns.</div><div class=""><br class=""></div><div class=""><a href="https://github.com/NeCTAR-RC/cinder/commit/e49ca7d95b5fffa58dc7a2d17f347e550d29f6a0" class="">https://github.com/NeCTAR-RC/cinder/commit/e49ca7d95b5fffa58dc7a2d17f347e550d29f6a0</a></div><div class=""><br class=""></div><div class="">These have worked for us but I stress we haven’t tested all functionality. We have tested:</div><div class="">create</div><div class="">delete</div><div class="">attach</div><div class="">detach</div><div class="">snapshot-create</div><div class="">snapshot-delete</div><div class=""><br class=""></div><div class="">Cheers,</div><div class="">Sam</div><div class=""><br class=""></div></body></html>