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    Dell PowerEdge C2100 with 24 Drive bays

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    • scottalanmillerS
      scottalanmiller
      last edited by

      WD RE (Enterprise) in RAID 6 would be 30TB for $1884.

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      • scottalanmillerS
        scottalanmiller
        last edited by

        So Red would be just barely cheaper, RE would be just barely larger. Red would be faster for random writes. RE way faster for reads.

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        • scottalanmillerS
          scottalanmiller
          last edited by

          If you went for smaller WD RE drives (2TB instead of 3TB) you could get 20TB usable for just $1,380.

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          • scottalanmillerS
            scottalanmiller
            last edited by

            For everyone's reference:

            WD Red is consumer, 5400 RPM
            WD Red Pro is consumer, 7200 RPM
            WD RE is enterprise, 7200 RPM

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            • DustinB3403D
              DustinB3403
              last edited by

              The trouble is at 24TB for backup there isn't much room for growth with this backup solution

              So larger drives would be needed.

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              • scottalanmillerS
                scottalanmiller @DustinB3403
                last edited by

                @DustinB3403 said:

                The trouble is at 24TB for backup there isn't much room for growth with this backup solution

                So larger drives would be needed.

                Then going to 30TB would be good.

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                • scottalanmillerS
                  scottalanmiller
                  last edited by

                  If you splurge to $2,352 you can leap to the 4TB RE drives and suddenly you have 40TB to work with!

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                  • scottalanmillerS
                    scottalanmiller
                    last edited by

                    Now that remains SATA. If you are worried about performance the 4TB WD RE SAS drives will give you a huge boost in random access and only cost $2,436. Now that much more.

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                    • scottalanmillerS
                      scottalanmiller
                      last edited by

                      And, of course, to overwhelm you with options, you could get WD RE 6TB drives and get 8 of them. This would be much slower and give you 36TB today in RAID 6. But over time you could grow up to 60TB in that setup. Up front 36TB cost would be $3,280.

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                      • DustinB3403D
                        DustinB3403
                        last edited by

                        So 3TB Drives RAID 6.

                        No write performance though from the RAID.

                        Off Hypervisor, over the internet at 5841GB (30MBps pipe Asymetric) ...
                        Weekly.... would take 21 Days to perform a single backup operation... (roughly)

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                        • DustinB3403D
                          DustinB3403
                          last edited by

                          I'm thinking our internet performance would have to take a huge leap as well for off site.

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                          • scottalanmillerS
                            scottalanmiller
                            last edited by

                            At those speeds you don't care about the write penalties of the RAID 6, you just need enough performance to take the WAN pipe speeds, which is almost nothing.

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                            • DustinB3403D
                              DustinB3403
                              last edited by

                              At least for weekly full backups. But if we only backup the primary drive (once a month)

                              We would reduce our storage needs, as well as bandwidth needs.

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                              • scottalanmillerS
                                scottalanmiller @DustinB3403
                                last edited by

                                @DustinB3403 said:
                                (30MBps pipe Asymetric) ...

                                I assume you mean 30Mb/s. 30MB/s is 240Mb/s!! That would be pretty awesome.

                                If asymmetric, what is the full speed up and down?

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                                • DustinB3403D
                                  DustinB3403
                                  last edited by

                                  30 Up and down.

                                  Each way, is that not asymmetric?

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                                  • DustinB3403D
                                    DustinB3403
                                    last edited by

                                    Mb/s sorry yeah not 30MB/s

                                    😛

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                                    • scottalanmillerS
                                      scottalanmiller @DustinB3403
                                      last edited by

                                      @DustinB3403 said:

                                      30 Up and down.

                                      Each way, is that not asymmetric?

                                      That's symmetric.

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                                      • scottalanmillerS
                                        scottalanmiller
                                        last edited by

                                        Symmetric means "same in all directions."

                                        Asymmetric literally just means "not symmetric."

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                                        • DustinB3403D
                                          DustinB3403
                                          last edited by

                                          Sorry.

                                          Either way it would still take ~ 22 days to perform an off-site full.

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                                          • scottalanmillerS
                                            scottalanmiller
                                            last edited by

                                            Correct usage....

                                            Check that girl out, she is hot, her face is so symmetric!

                                            versus

                                            Dude, that girl is all wonky, her face is totally asymmetric!

                                            DustinB3403D 1 Reply Last reply Reply Quote 1
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