Hm so it might be this setup for a <meta charset="utf-8">single point of entry/failure-free system configuration. <div><br></div><div><div>machine A: CC1/SC1/CLC1/Walrus1</div><div>machine B: CC2/SC2/CLC2/Walrus2</div><div> machine C: NC1</div><div>machine D: NC2</div><div>machine E: NC3</div><div><br></div><div><br></div><div>But do the multiple machines synchronize automatically?</div><div><br></div><div>~Bjoern</div><br><div class="gmail_quote"> 2010/11/4 Zeeshan Ali Shah <span dir="ltr"><<a href="mailto:zashah@pdc.kth.se">zashah@pdc.kth.se</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"> <div bgcolor="#ffffff" text="#000000"> Hi , <br> I think in your case the single point of entry/failure is still Machine A. even if have multiple CCs , we will still have single point of failure on ClC/Walrus level . <br> <br> correct me if i am wrong please <br> <br> BR<br><font color="#888888"> <br> Zeeshan</font><div><div></div><div class="h5"><br> <br> On 11/04/2010 08:53 AM, Björn Böttcher wrote: <blockquote type="cite"> Hi Ziv, <div><br> </div> <div>yes thank you. If I install on two machines a CC like in the example with 5 physical machines:</div> <div><br> </div> <div> <div>machine A: CLC/Walrus</div> <div>machine B: CC1/SC1</div> <div>machine C: NC1</div> <div>machine D: CC2/SC2</div> <div>machine E: NC2</div> <div><br> </div> <div>Do the CC1 and CC2 and also the SC have automatically the same information? Or do I need to configure something like a Hot-Standby between both machines (in this example B and D) ?</div> <div><br> </div> <div>Cheers,</div> <div><br> Bjoern</div> <div><br> </div> <br> <div class="gmail_quote">2010/11/4 Ziv Leyes <span dir="ltr"><<a href="mailto:zivley@gmail.com" target="_blank">zivley@gmail.com</a>></span><br> <blockquote class="gmail_quote" style="border-left:1px solid rgb(204, 204, 204);margin:0pt 0pt 0pt 0.8ex;padding-left:1ex"> <div dir="ltr"> <div>Hi Björn,</div> <div>I guess you might be confused due to subtle semantics, it doesn't say it SHOULD be 1 CC, it says at least, the minimal requirement (not recommended for production environments) is to have 2 machines, but the more, the merrier.</div> <div>Please take a look at the different possible topologies in the link below:</div> <div><a href="https://help.ubuntu.com/community/UEC/Topologies" target="_blank">https://help.ubuntu.com/community/UEC/Topologies</a></div> <div><br> </div> <div>Hope this helps,</div> <div>Ziv</div> <br> <div class="gmail_quote">2010/11/3 Björn Böttcher <span dir="ltr"><<a href="mailto:bboettche@googlemail.com" target="_blank">bboettche@googlemail.com</a>></span><br> <blockquote class="gmail_quote" style="border-left:1px solid rgb(204, 204, 204);margin:0pt 0pt 0pt 0.8ex;padding-left:1ex"> <div> <div>Hi everyone, <div><br> </div> <div><span style="font-family:Verdana,Arial,Tahoma;font-size:12px">According to <a href="https://help.ubuntu.com/community/UEC/PackageInstallSeparate" style="color:rgb(68, 68, 68);text-decoration:underline" target="_blank">https://help.ubuntu.com/community/UE...nstallSeparate</a>, there should be only 1 Cloud Controller (CLC) and, as I read the page, only 1 Walrus Controller. (WS3)<br> <br> What would happen is 1 of these crash?</span></div> <div><span style="font-family:Verdana,Arial,Tahoma;font-size:12px"><br> </span></div> <div><span style="font-family:Verdana,Arial,Tahoma;font-size:12px">Is there a recommended solution for backup an UEC Configuration?</span></div> <div><span style="font-family:Verdana,Arial,Tahoma;font-size:12px"><br> </span></div> <div><font face="Verdana, Arial, Tahoma" size="3"><span style="font-size:12px">~Bjoern</span></font></div> <br> </div> </div> --<br> Ubuntu-cloud mailing list<br> <a href="mailto:Ubuntu-cloud@lists.ubuntu.com" target="_blank">Ubuntu-cloud@lists.ubuntu.com</a><br> Modify settings or unsubscribe at: <a href="https://lists.ubuntu.com/mailman/listinfo/ubuntu-cloud" target="_blank">https://lists.ubuntu.com/mailman/listinfo/ubuntu-cloud</a><br> <br> </blockquote> </div> <br> </div> <br> --<br> Ubuntu-cloud mailing list<br> <a href="mailto:Ubuntu-cloud@lists.ubuntu.com" target="_blank">Ubuntu-cloud@lists.ubuntu.com</a><br> Modify settings or unsubscribe at: <a href="https://lists.ubuntu.com/mailman/listinfo/ubuntu-cloud" target="_blank">https://lists.ubuntu.com/mailman/listinfo/ubuntu-cloud</a><br> <br> </blockquote> </div> <br> </div> </blockquote> <br> <br> </div></div><div class="im"><pre cols="72">-- Regards Zeeshan Ali Shah System Administrator PDC-Center for High Performance Computing KTH-Royal Institute of Technology , Sweden +46 8 790 9115</pre> </div></div> <br>--<br> Ubuntu-cloud mailing list<br> <a href="mailto:Ubuntu-cloud@lists.ubuntu.com">Ubuntu-cloud@lists.ubuntu.com</a><br> Modify settings or unsubscribe at: <a href="https://lists.ubuntu.com/mailman/listinfo/ubuntu-cloud" target="_blank">https://lists.ubuntu.com/mailman/listinfo/ubuntu-cloud</a><br> <br></blockquote></div><br></div>