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    Comparing HA-Lizard and XenServer HA

    IT Discussion
    drbd ha-lizard linux high availability virtualization xenserver
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    • DustinB3403D
      DustinB3403
      last edited by

      And that is only the Snapshot portion, migrating it off host obviously takes a bit of time.

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

        @DustinB3403 said:

        And that is only the Snapshot portion, migrating it off host obviously takes a bit of time.

        Sure, but other than using some resources shouldn't really be noticed by the VMs themselves.

        1 Reply Last reply Reply Quote 0
        • dafyreD
          dafyre @DustinB3403
          last edited by

          @DustinB3403 After the snapshots are complete, the VMs should go back to running.

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

            @dafyre Correct they do.

            Immediately after those first few seconds. The data transfer off host takes the longest amount of time to complete.

            I have 4 VM's that we backup (care about) that use 696GB of data, so the transfer time takes a bit.

            dafyreD 1 Reply Last reply Reply Quote 1
            • dafyreD
              dafyre @DustinB3403
              last edited by

              @DustinB3403 How much does that affect the performance of the VMs that are running while your backups are being copied off?

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              • DustinB3403D
                DustinB3403
                last edited by

                I've never monitored them.

                The work is being done by Dom0, not the VM.

                And with the resources being statically assigned I can't imagine that there is much of a hit to the performance of the VM's them self.

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