10 Replies Latest reply on Aug 29, 2017 12:05 PM by dekoshal

    Lost access to volume … due to connectivity issues

    Codeman1980 Lurker

      Hello,

       

      I have a brand new SYS-E200-8D Micro Server eqipped with 64 GB RAM and a 1 TB Samsung EVO 850 PRO SATA 6 SSD and installed ESXi 6.5 on it.

      I have currently deployed one Windows Server 2016 RTM Virtual Machine on the SSD that acts as the Datastore.

       

      But as soon as I do storage performance testing within the VM (I use CrystalDiskMark) I get the following warnings in the Monitor tab of the Datastore:

       

      Successfully restored access to volume 58399b3f-53265d09-9851-0cc47aca3b52 (datastore1) following connectivity issues.Saturday, November 26, 2016, 20:47:22 +0100Warning
      Lost access to volume 58399b3f-53265d09-9851-0cc47aca3b52 (datastore1) due to connectivity issues. Recovery attempt is in progress and outcome will be reported shortly.Saturday, November 26, 2016, 20:47:22 +0100Warning
      Successfully restored access to volume 58399b3f-53265d09-9851-0cc47aca3b52 (datastore1) following connectivity issues.Saturday, November 26, 2016, 20:46:59 +0100Warning
      Lost access to volume 58399b3f-53265d09-9851-0cc47aca3b52 (datastore1) due to connectivity issues. Recovery attempt is in progress and outcome will be reported shortly.Saturday, November 26, 2016, 20:46:58 +0100Warning
      Successfully restored access to volume 58399b3f-53265d09-9851-0cc47aca3b52 (datastore1) following connectivity issues.Saturday, November 26, 2016, 20:45:02 +0100Warning
      Lost access to volume 58399b3f-53265d09-9851-0cc47aca3b52 (datastore1) due to connectivity issues. Recovery attempt is in progress and outcome will be reported shortly.Saturday, November 26, 2016, 20:45:01 +0100Warning

       

      CrystalDiskMark also reports very bad throughput for the C drive, which is physically stored through the vmdk file on the Datastore (which makes sense because of the above mentioned warnings).

       

      Any ideas what could happen here and why I get these warnings?

      I have also a Mac Mini setup (16 GB RAM, 256 GB Samsung SATA 6 SSD, ESXi 6.5 installation) where these warnings don't occur when I do storage performance tests.

       

      Thanks for your help & input,

       

      -Klaus