<div dir="ltr">I've used mondorescue years ago (many many years ago) and found it very useful. Don't recall any issues with multiple mount points.</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, Jul 17, 2021 at 9:53 AM Raj Wurttemberg via Ale <<a href="mailto:ale@ale.org">ale@ale.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><br><div>Now that COVID is slowly going away, some of our customers are now looking to do some OS upgrades, mostly RHEL 6 to RHEL 8 and SuSE 12 to SuSE 15. We have been using Relax and Recover (ReaR) (<a href="https://access.redhat.com/solutions/2115051" target="_blank">https://access.redhat.com/solutions/2115051</a>) which dumps the live system to a bootable ISO. No outage is required.</div><div><br></div><div>We take the ISO, boot it on a temp server, upgrade the OS there and on upgrade day, reverse the process on the day that we get an outage from the customer. The ReaR process works ok, but if any of the file systems are separated like /usr, or, /var, etc... like you would normally find on a system, ReaR runs into difficulties. </div><div><br></div><div>I did some Google-ing for other tools that can create a live clone of a server. I did find two tools that look promising... <br><br>- doClone : <a href="http://doclone.nongnu.org/" target="_blank">http://doclone.nongnu.org/</a></div><div>- MondoRescue : <a href="http://www.mondorescue.org/" target="_blank">http://www.mondorescue.org/</a></div><div><br></div><div>Besides 'dd' I was curious what live cloning software you all have tried.</div><div><br></div><div>/Raj W.</div></div>
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