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  1. XenServer Org
  2. XSO-794

High average response time on hard drives

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    Details

    • Type: Bug
    • Status: Done (View Workflow)
    • Priority: Major
    • Resolution: Done
    • Affects Version/s: 7.2
    • Fix Version/s: None
    • Component/s: other
    • Labels:
      None
    • Environment:

      Freshly installed XenServer 7.2 on a HP ProLiant DL380 Gen9 with 4 1,2 TB hard drives (Raid 5) and 2 480 GB SSDs (Raid 0). Both SSDs are used for HP smart cache and test results are perfekt from the speed.

      Description

      Hello,

      maybe I am wrong here but I don't know where I can explain my problem. We got something strange happening in our lab at the moment and maybe you have a solution.

      I have a freshly installed XenServer 7.2 on a HP ProLiant DL380 Gen9 with 4 1,2 TB hard drives (Raid 5) and 2 480 GB SSDs (Raid 0). Both SSDs are used for HP smart cache and test results are perfekt from the speed.

       

      Now I have created a new VM on this host. Windows Server 2012 R2 with 650GB storage, 2 CPUs and 16 GB RAM.
      When I am performing a hard drive benchmark I got high average response times from more than 16 seconds.
      I have testet the smart cache and it is running perfect, so I guess this problem appears within the VM.

       

      I have attached two screenshots where you can see the average response time and the result from the benchmark.

       

      Thank you for your help!

       

      Regarding,

      Florian

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            • Assignee:
              garyk Gary Kirkpatrick
              Reporter:
              Filzfabrik Florian
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              • Created:
                Updated:
                Resolved: