<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 TRANSITIONAL//EN"> <HTML> <HEAD> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=UTF-8"> <META NAME="GENERATOR" CONTENT="GtkHTML/3.30.2"> </HEAD> <BODY TEXT="#000000" BGCOLOR="#ffffff"> Why couldn't you load balance multiple Walrus' and have them all point to a shared NAS or SAN mount point? Not sure if it would create any conflict thoug On Thu, 2010-11-04 at 08:59 +0100, Zeeshan Ali Shah wrote: <BLOCKQUOTE TYPE=CITE> Hi , 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 . correct me if i am wrong please BR Zeeshan On 11/04/2010 08:53 AM, Björn Böttcher wrote: <BLOCKQUOTE TYPE=CITE> Hi Ziv, </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> yes thank you. If I install on two machines a CC like in the example with 5 physical machines: </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> machine A: CLC/Walrus </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> machine B: CC1/SC1 </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> machine C: NC1 </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> machine D: CC2/SC2 </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> machine E: NC2 </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> 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) ? </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> Cheers, </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> Bjoern </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> 2010/11/4 Ziv Leyes <<A HREF="mailto:zivley@gmail.com">zivley@gmail.com</A>> </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE> Hi Björn, </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE> 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. </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE> Please take a look at the different possible topologies in the link below: </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE> <A HREF="https://help.ubuntu.com/community/UEC/Topologies">https://help.ubuntu.com/community/UEC/Topologies</A> </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE> Hope this helps, </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE> Ziv </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE> 2010/11/3 Björn Böttcher <<A HREF="mailto:bboettche@googlemail.com">bboettche@googlemail.com</A>> </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE> <BLOCKQUOTE> Hi everyone, </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE> <BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE> <BLOCKQUOTE> According to <A HREF="https://help.ubuntu.com/community/UEC/PackageInstallSeparate">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) What would happen is 1 of these crash? </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE> <BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE> <BLOCKQUOTE> Is there a recommended solution for backup an UEC Configuration? </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE> <BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE> <BLOCKQUOTE> ~Bjoern </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE> <BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE> <BLOCKQUOTE> -- Ubuntu-cloud mailing list <A HREF="mailto:Ubuntu-cloud@lists.ubuntu.com">Ubuntu-cloud@lists.ubuntu.com</A> Modify settings or unsubscribe at: <A HREF="https://lists.ubuntu.com/mailman/listinfo/ubuntu-cloud">https://lists.ubuntu.com/mailman/listinfo/ubuntu-cloud</A> </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE> -- Ubuntu-cloud mailing list <A HREF="mailto:Ubuntu-cloud@lists.ubuntu.com">Ubuntu-cloud@lists.ubuntu.com</A> Modify settings or unsubscribe at: <A HREF="https://lists.ubuntu.com/mailman/listinfo/ubuntu-cloud">https://lists.ubuntu.com/mailman/listinfo/ubuntu-cloud</A> </BLOCKQUOTE> </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <BLOCKQUOTE TYPE=CITE> </BLOCKQUOTE> </BLOCKQUOTE> <BLOCKQUOTE TYPE=CITE> <PRE> -- Regards Zeeshan Ali Shah System Administrator PDC-Center for High Performance Computing KTH-Royal Institute of Technology , Sweden +46 8 790 9115 </PRE> </BLOCKQUOTE> </BODY> </HTML>