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    Defective Memory - Primary Xen Server

    IT Discussion
    vm migration backup and disaster recovery secondary host
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    • DustinB3403D
      DustinB3403
      last edited by

      But the critical point is that it's stupidly simple to recover from this.. Stupidly simple.

      VM Says: "Oh you have another Xen Server, yeah I can run over there in the mean time. "

      1 Reply Last reply Reply Quote 3
      • scottalanmillerS
        scottalanmiller
        last edited by

        XenServer for the win.

        1 Reply Last reply Reply Quote 4
        • DustinB3403D
          DustinB3403
          last edited by

          So this is what I'm not present with, the server finally gets past post, but won't get past this.

          0_1452617712110_xenserver.png

          Anyone have any pointers?

          stacksofplatesS 1 Reply Last reply Reply Quote 0
          • stacksofplatesS
            stacksofplates @DustinB3403
            last edited by

            @DustinB3403 said:

            So this is what I'm not present with, the server finally gets past post, but won't get past this.

            0_1452617712110_xenserver.png

            Anyone have any pointers?

            That doesn't look good. It looks like it's not seeing md0. You might have to boot from a USB and do some troubleshooting.

            1 Reply Last reply Reply Quote 1
            • DustinB3403D
              DustinB3403
              last edited by

              Yeah (fortunately) this system was hobbled together so it's single disks.

              I'm going to attempt to mount them to a laptop running *nix and see what I can pull off.

              DashrenderD stacksofplatesS 2 Replies Last reply Reply Quote 0
              • DashrenderD
                Dashrender @DustinB3403
                last edited by

                @DustinB3403 said:

                Yeah (fortunately) this system was hobbled together so it's single disks.

                I'm going to attempt to mount them to a laptop running *nix and see what I can pull off.

                Assuming a drive failure, try running SpinRite on it.

                1 Reply Last reply Reply Quote 0
                • DustinB3403D
                  DustinB3403
                  last edited by

                  I'm thinking it was a memory issue, so the data on them might be OK.

                  DashrenderD 1 Reply Last reply Reply Quote 0
                  • stacksofplatesS
                    stacksofplates @DustinB3403
                    last edited by

                    @DustinB3403 said:

                    Yeah (fortunately) this system was hobbled together so it's single disks.

                    I'm going to attempt to mount them to a laptop running *nix and see what I can pull off.

                    Wait it wasn't raid?

                    DustinB3403D 1 Reply Last reply Reply Quote 0
                    • DashrenderD
                      Dashrender @DustinB3403
                      last edited by

                      @DustinB3403 said:

                      I'm thinking it was a memory issue, so the data on them might be OK.

                      How did you get past the memory issue, yet still have the error if it was a memory issue?

                      1 Reply Last reply Reply Quote 0
                      • DustinB3403D
                        DustinB3403 @stacksofplates
                        last edited by

                        @johnhooks no...

                        It's a long story

                        stacksofplatesS DashrenderD 2 Replies Last reply Reply Quote 0
                        • stacksofplatesS
                          stacksofplates @DustinB3403
                          last edited by

                          @DustinB3403 said:

                          @johnhooks no...

                          It's a long story

                          haha ok.

                          1 Reply Last reply Reply Quote 0
                          • DashrenderD
                            Dashrender @DustinB3403
                            last edited by

                            @DustinB3403 said:

                            @johnhooks no...

                            It's a long story

                            Isn't this a test server?

                            1 Reply Last reply Reply Quote 0
                            • DustinB3403D
                              DustinB3403
                              last edited by

                              This was the production server that was budgeted together... fortunately I have recent backups of my VM's so now it's just a matter of rebuilding it.

                              1 Reply Last reply Reply Quote 0
                              • DustinB3403D
                                DustinB3403
                                last edited by

                                This was also before our topic on MDAD RAID 10.

                                DashrenderD 1 Reply Last reply Reply Quote 0
                                • DashrenderD
                                  Dashrender @DustinB3403
                                  last edited by

                                  @DustinB3403 said:

                                  This was also before our topic on MDAD RAID 10.

                                  Are you going to rebuild it MDAD RAID 10?

                                  1 Reply Last reply Reply Quote 1
                                  • DustinB3403D
                                    DustinB3403
                                    last edited by

                                    Going to attempt to remount the disk in a clean install of Xen, save my self some time if I have to import what I want.

                                    There might be some good change with the build now that this happened. Like being able to spend appropriately.

                                    1 Reply Last reply Reply Quote 0
                                    • DustinB3403D
                                      DustinB3403
                                      last edited by

                                      So I've got my SR reattached, just need to figure out how to import the VM's from the SR.

                                      1 Reply Last reply Reply Quote 2
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