5 Essential Tips for Maximizing Your Experience at Nutanix .NEXT for Bloggers
While maintaining your Nutanix environment, there is a need to apply patches to keep everything running smoothly. Some of these patches require reboot of the CVM or Hosts to take effect.For example, rebooting all hosts in a cluster means manually putting the host in maintenance mode, evacuating the VMs, turning off the CVM, rebooting the host, waiting for the CVM and host to boot up, and confirming the cluster data resiliency is OK before proceeding to the next host. As you can see, there is a lot of manual work involved.However, there is a simpler solution: leveraging the rolling reboot script. The script utilizes our shutdown token feature to ensure that the node is up and running before proceeding to the next node. If you are using AHV, the script will be available in Prism. For ESXi hypervisors and for more robust options (even for AHV), there is a command line option found in KB 4723More information about the prerequisites (please read this before using) and execution can be found
LCM 2.4 introduced a new protocol called the Redfish Protocol. It uses a RESTful API interface for server management. While there are many improvements introduced in the backend, there are a couple of improvements done on the frontend as well.The main improvement on the frontend is that LCM now performs the BMC and BIOS updates using Redfish twice as fast as the older method of using a Phoenix ISO. The time gained is due to fewer restarts needed for BMC and BIOS (no restarts needed for BMC updates and one restart for BIOS updates).While there are specific requirements for LCM to utilize the Redfish protocol, the LCM UI in LCM 2.4 displays this information in the Inventory Pane.For more information about the requirements and the LCM UI, take a look at the Redfish Protocol documentation on the Support Portal.
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