If your VMware Cloud Foundation environment contains stretched clusters, update and remediate the vSAN witness host.

Prerequisites

Download the ESXi ISO that matches the version listed in the the Bill of Materials (BOM) section of the VMware Cloud Foundation Release Notes.

Procedure

  1. In a web browser, log in to vCenter Server at https://vcenter_server_fqdn/ui.
  2. Upload the ESXi ISO image file to vSphere Lifecycle Manager.
    1. Click Menu > Lifecycle Manager.
    2. Click the Imported ISOs tab.
    3. Click Import ISO and then click Browse.
    4. Navigate to the ESXi ISO file you downloaded and click Open.
    5. After the file is imported, click Close.
  3. Create a baseline for the ESXi image.
    1. On the Imported ISOs tab, select the ISO file that you imported, and click New baseline.
    2. Enter a name for the baseline and specify the Content Type as Upgrade.
    3. Click Next.
    4. Select the ISO file you had imported and click Next.
    5. Review the details and click Finish.
  4. Attach the baseline to the vSAN witness host.
    1. Click Menu > Hosts and Clusters.
    2. In the Inventory panel, click vCenter > Datacenter.
    3. Select the vSAN witness host and click the Updates tab.
    4. Under Attached Baselines, click Attach > Attach Baseline or Baseline Group.
    5. Select the baseline that you had created in step 3 and click Attach.
    6. Click Check Compliance.
      After the compliance check is completed, the Status column for the baseline is displayed as Non-Compliant.
  5. Remediate the vSAN witness host and update the ESXi hosts that it contains.
    1. Right-click the vSAN witness and click Maintenance Mode > Enter Maintenance Mode.
    2. Click OK.
    3. Click the Updates tab.
    4. Select the baseline that you had created in step 3 and click Remediate.
    5. In the End user license agreement dialog box, select the check box and click OK.
    6. In the Remediate dialog box, select the vSAN witness host, and click Remediate.
      The remediation process might take several minutes. After the remediation is completed, the Status column for the baseline is displayed as Compliant.
    7. Right-click the vSAN witness host and click Maintenance Mode > Exit Maintenance Mode.
    8. Click OK.