right. Still open question: But do the multiple CC/SC machines synchronize automatically?
2010/11/4 Zeeshan Ali Shah <[email protected]> > As Users enter into Euca system with CLC and Walrus use to transfer images > etc , so unless you have multiple walrus , clc , you will still have SPOF > (Single point of Failure). > (I am not sure if we can have multiple CLC and Walrus) . > > Zeeshan > > > On 11/04/2010 09:06 AM, Björn Böttcher wrote: > > Hm so it might be this setup for a single point of entry/failure-free > system configuration. > > machine A: CC1/SC1/CLC1/Walrus1 > machine B: CC2/SC2/CLC2/Walrus2 > machine C: NC1 > machine D: NC2 > machine E: NC3 > > > But do the multiple machines synchronize automatically? > > ~Bjoern > > 2010/11/4 Zeeshan Ali Shah <[email protected]> > >> 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: >> >> Hi Ziv, >> >> yes thank you. If I install on two machines a CC like in the example >> with 5 physical machines: >> >> machine A: CLC/Walrus >> machine B: CC1/SC1 >> machine C: NC1 >> machine D: CC2/SC2 >> machine E: NC2 >> >> 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) ? >> >> Cheers, >> >> Bjoern >> >> >> 2010/11/4 Ziv Leyes <[email protected]> >> >>> Hi Björn, >>> 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. >>> Please take a look at the different possible topologies in the link >>> below: >>> https://help.ubuntu.com/community/UEC/Topologies >>> >>> Hope this helps, >>> Ziv >>> >>> 2010/11/3 Björn Böttcher <[email protected]> >>> >>>> Hi everyone, >>>> >>>> According to >>>> https://help.ubuntu.com/community/UE...nstallSeparate<https://help.ubuntu.com/community/UEC/PackageInstallSeparate>, >>>> 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? >>>> >>>> Is there a recommended solution for backup an UEC Configuration? >>>> >>>> ~Bjoern >>>> >>>> -- >>>> Ubuntu-cloud mailing list >>>> [email protected] >>>> Modify settings or unsubscribe at: >>>> https://lists.ubuntu.com/mailman/listinfo/ubuntu-cloud >>>> >>>> >>> >>> -- >>> Ubuntu-cloud mailing list >>> [email protected] >>> Modify settings or unsubscribe at: >>> https://lists.ubuntu.com/mailman/listinfo/ubuntu-cloud >>> >>> >> >> >> -- >> Regards >> >> Zeeshan Ali Shah >> System Administrator >> PDC-Center for High Performance Computing >> KTH-Royal Institute of Technology , Sweden >> +46 8 790 9115 >> >> >> -- >> Ubuntu-cloud mailing list >> [email protected] >> Modify settings or unsubscribe at: >> https://lists.ubuntu.com/mailman/listinfo/ubuntu-cloud >> >> > > > -- > Regards > > Zeeshan Ali Shah > System Administrator > PDC-Center for High Performance Computing > KTH-Royal Institute of Technology , Sweden > +46 8 790 9115 > >
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