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    The Four Things That You Lose with Scale Computing HC3

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    • I
      IRJ
      last edited by

      If there is one thing I've learned in IT, go with reliability over cost everyday of the week. Even thousands of dollars is minimal when you are in the heat of having critical systems go down.

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        scottalanmiller @Deleted74295
        last edited by

        @Breffni-Potter said in The Four Things That You Lose with Scale Computing HC3:

        Can the Scale stuff interlink between the units directly over 10Gig and then for user connections to resources they use the standard Gigabit?

        Yes, there are two different networks. A backplane and a LAN / frontplane. They are not directly related in any way. So one could be 10GigE and one could be GigE.

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          Deleted74295 Banned @scottalanmiller
          last edited by

          @scottalanmiller said

          Yes, there are two different networks. A backplane and a LAN / frontplane. They are not directly related in any way. So one could be 10GigE and one could be GigE.

          Ok but do I need a separate switch for the backplane network or do they have the ports to do it by themselves?

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            Deleted74295 Banned @IRJ
            last edited by

            @IRJ said in The Four Things That You Lose with Scale Computing HC3:

            If there is one thing I've learned in IT, go with reliability over cost everyday of the week. Even thousands of dollars is minimal when you are in the heat of having critical systems go down.

            But sometimes you pay for the perception of reliability at a higher price.

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              scottalanmiller @Deleted74295
              last edited by

              @Breffni-Potter said in The Four Things That You Lose with Scale Computing HC3:

              @scottalanmiller said

              Yes, there are two different networks. A backplane and a LAN / frontplane. They are not directly related in any way. So one could be 10GigE and one could be GigE.

              Ok but do I need a separate switch for the backplane network or do they have the ports to do it by themselves?

              It's all ethernet, so you could mix it together on a single switch and just VLAN them apart from each other.

              It's two ports for the backplane and two ports for the LAN on each node. Nothing weird, think of it as two SAN ports and two LAN ports. Same concept.

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              • C
                craig.theriac Vendor @scottalanmiller
                last edited by

                @scottalanmiller said in The Four Things That You Lose with Scale Computing HC3:

                @Breffni-Potter said in The Four Things That You Lose with Scale Computing HC3:

                They've got maybe 12 installs when I last checked. Versus how many non Scale deployments.

                12? I know more than that many customers personally. They have lots of deployments.

                Thanks @scottalanmiller. We have 1500+ cluster deployments worldwide (https://www.scalecomputing.com/press_releases/record-growth-in-2015-for-scale-computing/). I don't think we've made any statements on the UK specifically that I can point to, but I'd be happy to put you in touch with any existing customers in the area.

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                  Deleted74295 Banned @scottalanmiller
                  last edited by

                  @scottalanmiller said

                  It's all ethernet, so you could mix it together on a single switch and just VLAN them apart from each other.

                  I'm trying to be blunt. 🙂

                  Do I need a switch at all for the backplane or can they communicate directly? Do I need to factor in 10GigE switches for redundancy as well?

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                    JaredBusch
                    last edited by

                    I have no clients that need an on premise server design large enough to justify a Scale setup.

                    I look forward to acquiring a client with that need though. Scale is a rock solid solution for the price point.

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                      scottalanmiller @Deleted74295
                      last edited by

                      @Breffni-Potter said in The Four Things That You Lose with Scale Computing HC3:

                      @scottalanmiller said

                      It's all ethernet, so you could mix it together on a single switch and just VLAN them apart from each other.

                      I'm trying to be blunt. 🙂

                      Do I need a switch at all for the backplane or can they communicate directly? Do I need to factor in 10GigE switches for redundancy as well?

                      Oh, can you skip the switch? No, you NEED a switch. Each node has two backplane ports, one primary and one failover (it's active/passive; not load balanced for latency reasons) so there is no free port and you would need two free ports PER extra node, so that would be four ports minimum and it would explode with cost as you scale up ... adding a four node would, for example, require each original node to add two more 10GigE ports.

                      Yes, you "need" redundant backplane switches. It will work without them, but it is not recommended.

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                      • S
                        scale
                        last edited by

                        We recommend that you have four switches, two switches in a high availability pair for the backplane and two in a high availability pair for the normal network traffic. Of course, the goal here is to achieve a totally high availability system not just for the Scale HC3 cluster, but for the network itself. Having your Scale cluster up and running won't do you any good if the network it is attached to is down. But the system will run with less.

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                          scale @Deleted74295
                          last edited by

                          @Breffni-Potter said in The Four Things That You Lose with Scale Computing HC3:

                          @scottalanmiller said

                          It's all ethernet, so you could mix it together on a single switch and just VLAN them apart from each other.

                          I'm trying to be blunt. 🙂

                          Do I need a switch at all for the backplane or can they communicate directly? Do I need to factor in 10GigE switches for redundancy as well?

                          Did we manage to answer your questions?

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