Revision history Date Document revision Description of changes December 2020 1.8 Updated the table for Installation tasks for CentOS upgrade in VxBlock Central Version 4.0. November 2020 1.7 Updated the Installation section to include the task for configuring VxBlock Central Lifecycle Management. June 2020 1.6 Update to Installation time for addition of Dell EMC XtremIO X2 configuration procedure. March 2020 1.5 Restructured the tasks in the Upgrade section December 2019 1.4 Made the following changes in the Installation section: The estimated time for Add and configure system and components in VxBlock Central task is increased. Added a new Make sure Cisco Discovery Protocol is enabled on Cisco MDS and Nexus Switches task. Added a new Launch VxBlock Central Lifecycle Management section. September 2019 1.3 Made the following changes in Installation section: Added a new Reset end user license agreement task Removed the Accept end user license agreement task Renamed the tasks to include Workflow Automation Restructured the tasks in the Upgrade section September 2019 1.2 Added new topic Workflow Automation. July 2019 1.1 Updated with links to VxBlock Central 2.0 documents. July 2019 1.0 Initial release.