Solving performance issues with ESXi 6 (Gen8)

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Solving performance issues with ESXi 6 (Gen8)

If you have installed to a newer version of ESXi on your Gen8 Micro Server and are now suffering from very low performance disk speed, try the following steps to downgrade to a former hpvsa-driver (scsi-hpvsa-5.5.0-88).

Just follow these simple steps:

  1. Download the driver and unpack the archive named hpvsa-5.5.0-88.zip
  2. Stop all VMs that are currently running on your machine.
  3. Enable SSH connections to your server in the GUI
  4. Copy „scsi-hpvsa-5.5.0-88OEM.550.0.0.1331820.x86_64.vib“ to the /tmp directory (just use WinSCP for that) – In my case, this file is 699 KB.
  5. Start a Session to your server (using Putty)
  6. change directory to /tmp
  7. Copy the vib file to /var/log/vmware
  8. Start the „Maintenance mode“
  9. Deinstall the running scsi-hpvsa driver
  10. Install scsi-hpvsa-5.5.0-88
  11. Restart your ESXi, stop the maintenance mode, disable SSH connections and start VMs again

Hope that helps for you as well.

4 Comments

  1. Alex 28. November 2015 at 18:25 - Reply

    Hi,

    Thanks for the info, I just did this process for a ESXi 5.5 update 2 March 15 on a ProLiant MicroServer Gen8 and it didn’t work unfortunately, I still get Lost access to volume 5654ffd3-a6404e75-57ae-a01d48c77d34 () due to connectivity issues. Recovery attempt is in progress and outcome will be reported shortly.
    &
    Successfully restored access to volume 5654ffd3-a6404e75-57ae-a01d48c77d34 () following connectivity issues.
    every minute 🙁

  2. DrNavratil 20. Juli 2016 at 10:01 - Reply

    This also did not work for me. Get this message when powering up my ESXI host.

  3. Frank 15. November 2016 at 21:11 - Reply

    Doesn’t work either for me. The command to remove the scsi drivers doesn’t do anything.

  4. Johan Draaisma 26. Mai 2017 at 21:50 - Reply

    Worked perfectly on ESXi 6.5 with ProLiant ML350e G8 v2 and ProLiant MicroServer Gen8. Stupid HP drivers. Thanks man.

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