Upgrade Dell PowerFlex to v3.6.x

Unregister the current PowerFlex plug-in

PowerCLI is required for unregistering the plug-in. Administrator privileges are required.

In this procedure, the currently installed vSphere PowerFlex plug-in will be removed in preparation for installing the latest version.

From the folder where you extracted the EMC-ScaleIO-vSphere-plugin-installer-3.6-X.<build>.zip file, use PowerCLI, as administrator, to run the VxFlexOSPluginSetup.ps1 script.
Enter the vCenter credentials and confirm the script actions. If you are asked to trust an untrusted publisher, type A to continue.
When prompted to choose a mode, select option 2, Unregister ScaleIO plug-in.
Follow the progress on the screen, and when prompted to do so, log out, then log back in to the vSphere web client.
Verify that the plug-in is no longer registered (VxFlex OS icon should no longer be visible).

NOTE:If the icon has not disappeared, even though PowerCLI reports that it was successfully unregistered, reboot the vCenter.
When the process is complete, enter 4 to exit the plug-in script.