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    Hyper-V Failover Cluster FAILURE(S)

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    • scottalanmillerS
      scottalanmiller @Kyle
      last edited by

      @kyle said in Hyper-V Failover Cluster FAILURE(S):

      @scottalanmiller said in Hyper-V Failover Cluster FAILURE(S):

      @kyle said in Hyper-V Failover Cluster FAILURE(S):

      We have slowly been getting our documentation as we run into it.

      You mean you have extortion going on and no one has called the FBI yet? Why won't they give the docs?

      We get them as we run into issues requiring the need for certain things. They essentially kept everything and only provided necessary information as needed. They were actually holding all MS licensing until the SR. Admin demanded they turn that over.

      But just demand it all. By law, they have no options.

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      • scottalanmillerS
        scottalanmiller @Kyle
        last edited by

        @kyle said in Hyper-V Failover Cluster FAILURE(S):

        Essentially they are ensuring they are needed until the very end as the end game is to ensure all IT is brought in house instead of through a MSP.

        Yes, that's called extortion and is very illegal.

        scottalanmillerS 1 Reply Last reply Reply Quote 2
        • scottalanmillerS
          scottalanmiller @scottalanmiller
          last edited by

          This post is deleted!
          KyleK DashrenderD 2 Replies Last reply Reply Quote 0
          • KyleK
            Kyle @scottalanmiller
            last edited by

            This post is deleted!
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            • scottalanmillerS
              scottalanmiller
              last edited by

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              • DashrenderD
                Dashrender @scottalanmiller
                last edited by

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                • DashrenderD
                  Dashrender @Kyle
                  last edited by scottalanmiller

                  I've only ever had a Drobo as a SAN for a backup target, so I have very little practical experience here - but I'd guess either the switch or the SAN itself is where the problem lies.

                  KyleK 1 Reply Last reply Reply Quote 0
                  • KyleK
                    Kyle @Dashrender
                    last edited by

                    @dashrender said in Hyper-V Failover Cluster FAILURE(S):

                    @kyle said in Hyper-V Failover Cluster FAILURE(S):

                    @scottalanmiller said in Hyper-V Failover Cluster FAILURE(S):

                    @scottalanmiller said in Hyper-V Failover Cluster FAILURE(S):

                    @kyle said in Hyper-V Failover Cluster FAILURE(S):

                    Essentially they are ensuring they are needed until the very end as the end game is to ensure all IT is brought in house instead of through a MSP.

                    Yes, that's called extortion and is very illegal.

                    So if we know that there is extortion, we know that there is a federal crime afoot, and we know that the CEO would fire you if you exposed it... I think that puts some big pieces together.

                    I only believe that because I am only a contractor right now and the "New Guy". I have pointed out several issues and they are all known and we are addressing them slowly but it is so tedious.

                    My biggest concern is that our Hyper-V Cluster keeps failing after we made IP changes and they claim the two issues are unrelated.

                    I've only ever had a Drobo as a SAN for a backup target, so I have very little practical experience here - but I'd guess either the switch or the SAN itself is where the problem lies.

                    We have a DATTO backup agent.

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                    • scottalanmillerS
                      scottalanmiller
                      last edited by

                      Most common issue here is the SAN getting IO overload while doing snapshots.

                      KyleK 2 Replies Last reply Reply Quote 0
                      • KyleK
                        Kyle @scottalanmiller
                        last edited by

                        @scottalanmiller said in Hyper-V Failover Cluster FAILURE(S):

                        Most common issue here is the SAN getting IO overload while doing snapshots.

                        Actually there is no overload per the logs.

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                        • KyleK
                          Kyle @scottalanmiller
                          last edited by

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                          • scottalanmillerS
                            scottalanmiller @Kyle
                            last edited by

                            This post is deleted!
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                            • scottalanmillerS
                              scottalanmiller
                              last edited by

                              Do the switches report any overloading? A huge backup at the L3 routing points could do this, but would be super uncommon. But SAN traffic should never be routed, ever, and this would be a reason for that.

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                              • KyleK
                                Kyle @scottalanmiller
                                last edited by

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                                • KyleK
                                  Kyle @scottalanmiller
                                  last edited by

                                  @scottalanmiller said in Hyper-V Failover Cluster FAILURE(S):

                                  Do the switches report any overloading? A huge backup at the L3 routing points could do this, but would be super uncommon. But SAN traffic should never be routed, ever, and this would be a reason for that.

                                  Switches are not reporting any errors either. We pulled all those logs and found no network errors or hardware failure.

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                                  • DashrenderD
                                    Dashrender
                                    last edited by

                                    Is there a single switch that handles all traffic for SAN(storage traffic) and failover and network traffic for these hosts?

                                    What kind of connection does the switch have to the router?

                                    KyleK 1 Reply Last reply Reply Quote 0
                                    • KyleK
                                      Kyle @Dashrender
                                      last edited by

                                      @dashrender said in Hyper-V Failover Cluster FAILURE(S):

                                      Is there a single switch that handles all traffic for SAN(storage traffic) and failover and network traffic for these hosts?

                                      What kind of connection does the switch have to the router?

                                      Due to a huge web of issues I couldn't tell you exactly how everything is connected but I do know the Servers and SAN's are on their own switches and then handed off to the LAN.

                                      scottalanmillerS 1 Reply Last reply Reply Quote 0
                                      • DashrenderD
                                        Dashrender
                                        last edited by

                                        @scottalanmiller how critical, and if not critical - then recommended, is having SAN traffic on it's own switches, not shared with anything else?

                                        scottalanmillerS KyleK 2 Replies Last reply Reply Quote 0
                                        • scottalanmillerS
                                          scottalanmiller @Dashrender
                                          last edited by

                                          @dashrender said in Hyper-V Failover Cluster FAILURE(S):

                                          @scottalanmiller how critical, and if not critical - then recommended, is having SAN traffic on it's own switches, not shared with anything else?

                                          Pretty critical. there is a reason that no one would ever try it any other way. SANs need low latency and you dont' want it waiting on a busy backplane. Also, a switch that is good for SAN is not good for the LAN and vice versa. So it wouldn't be cost effective to mix them anyway. Hence, it never comes up. No upsides, loads of downsides.

                                          DashrenderD 1 Reply Last reply Reply Quote 1
                                          • scottalanmillerS
                                            scottalanmiller @Kyle
                                            last edited by

                                            @kyle said in Hyper-V Failover Cluster FAILURE(S):

                                            @dashrender said in Hyper-V Failover Cluster FAILURE(S):

                                            Is there a single switch that handles all traffic for SAN(storage traffic) and failover and network traffic for these hosts?

                                            What kind of connection does the switch have to the router?

                                            Due to a huge web of issues I couldn't tell you exactly how everything is connected but I do know the Servers and SAN's are on their own switches and then handed off to the LAN.

                                            Handed off to the LAN? SAN traffic never goes on a LAN, ever. If it does, it means you have no SAN and just black storage traffic on the LAN. The whole point of a SAN is that it is completely isolated and doesn't intermingle with the LAN.

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