Upgrade a single site cluster with a single MSM VM Upgrade one data center environment with multiple Core VMs mapped to a single MSM VM. About this task You can use the simplified script for the single site upgrade. To perform a classic upgrade, follow the procedures to upgrade the Core VM, MSM VM and MSP VM. You can upgrade the Core VM associated with MSM VMs in the cluster simultaneously. Child TopicsStart a Core VM upgradeRun VxBlock-Central_core_upgrade-<buildnumber>.vce to upgrade the Core VM. Verify a Core VM upgradeAfter upgrading, verify the correct version of the Core VM is installed. Start an MSM VM upgradeStart the MSM VM upgrade file on the MSM VM. Update the MSM credential manager service If the root or VxBlock Central user password has been changed on the Core VM, update the MSM credential manager service with the password. Verify the MSM VM upgrade After completing the upgrade process, use the VxBlock Central dashboard to verify that the version number of the MSM corresponds to the version that you installed. Verify the MSM VM configuration fileAfter the MSM VM upgrade is complete, verify that the configuration file contains the correct content. Start the MSP VM upgrade Execute VxBlock-Central_msp_upgrade--<buildnumber>.vce to upgrade. Verify the MSP VM upgradeVerify the status of the MSP VM. Parent topic VxBlock Central upgrade overviewThe VxBlock Central upgrade can be performed for the Core VM, MSM VM, and MSP VM in single site or multisite clusters.