Dell PowerFlex v3.6.x Security Configuration Guide

Gracefully reboot the ESXi host

Perform the following steps to gracefully reboot the ESXi host.

1. Log in to vCenter via the vSphere Web Client, and locate the relevant ESXi host.
2. Migrate the VMs associated with this ESXi host to another ESXi host.
   NOTE: To view the VMs associated with the ESXi host, select the ESXi host, and then click VMs.
3. Log in to the PowerFlex GUI as an admin user.
4. In the Backend > Storage view, select By SDSs table view.
5. Right-click the SDS node you are rebooting, and select Enter Maintenance Mode.
6. In the Enter maintenance mode window, ensure that there are no errors, and then click OK.
7. When the operation finishes successfully, click Close.

   The node's IP address appears with a wrench next to it.

8. On the ESXi node, enter maintenance mode:
   1. Log in to the vCenter via the vSphere Client or Web Client, and locate the relevant ESXi IP address.
   2. Select the SVM, and from the Basic Tasks pane select Shut down the virtual machine.
   3. When the SVM is off, right-click the node and select Enter Maintenance Mode.
9. Gracefully reboot the node using the relevant API for the operating system.
10. Right-click the ESXi host and select Maintenance Mode > Enter Maintenance Mode.
11. Click OK to confirm.
12. Right-click the ESXi host, and select Actions > Power > Reboot to reboot the host.
13. Click OK to confirm.
14. Ensure that the ESXi host is displayed as on and connected in Hosts and Clusters view.
15. Right-click the node and select Maintenance Mode > Exit Maintenance Mode.
16. Expand the host and select the relevant VM. If the VM does not power on automatically, power it on manually.
17. After the node is up, from your internet browser, log in to the PowerFlex GUI as an admin user.
18. Perform the following checks:
    1. In the left pane, click Alerts, and then in the right pane confirm that no SDS disconnect message appears.
    2. In the left pane, click SDCs, and then in the right pane confirm that the SDC's connected status is Yes.
    3. In the left pane, click Dashboard, and validate that the system is in optimal state.
19. In the PowerFlex GUI Backend > Storage view, in By SDSs table view, right-click the SDS and select Exit Maintenance Mode.
20. In the Action window, click OK.
21. Wait for the rebalance operations to finish.