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Make a note of the Controller VM name in the second column. HI everbody, I'm trying to upgrade acropolis from 4.6.0.2 to 4.6.1 and the pre-upgrade check is saying this: ClusterHealth service is down on X .X .X .X I run cluster status on this CVM and the service is down. If the Controller VM is running, shut down the Controller VM. Stopping the CVM gracefully allows for all services to stop and, in the event this CVM is the leader, have the cluster elect a new leader. However, if you want to do this yourself, read on. We'll send you an e-mail with instructions to reset your password. # Balance-slb algorithm is configured for each bond on all AHV nodes in the Nutanix cluster with the following commands (Ran from CVM): ssh [email protected] "ovs-vsctl set port bond0 bond_mode=balance-slb" . No.#1 Build a new Nutanix cluster with at least 3 nodesIf you are planning to create new Nutanix cluster required at least three nodes for RF-2 clusterMake sure that all the CVMs, Nodes and IPMI IP addresses are reachable or ping able to each other. Nutanix is a Hypervisor agnostic platform, it supports AHV, Hyper-V, ESXi and XEN. It's a vSphere per-VM setting and I believe it is the recommended best practice.Out of curiosity, was the node in maintenance mode when you powered off? If an RF2 cluster would have more than one node shut down, shut down the entire cluster. Check CVM boot log In ESXi: /vmfs/volumes/NTNX-*/ServiceVM_Centos/ServiceVM_Centos.0.out Required fields are marked *. In the world of Nutanix, Controller VMs (CVMs) are king. If the Controller VM is shut off, start it. If the cluster is running properly, output similar to the following is displayed for each node in the cluster: Shut down guest VMs that are running on the node, or move them to other nodes in the cluster. So when the time comes in which you need to restart a node or a CVM you should probably take a little care and do it properly. Enter your username or e-mail address. Your email address will not be published. Required fields are marked *. Hi Jon, i read in in in the latest field guide, page 21. This will ensure you have no issues with your cluster when you reboot the CVM. So, go ahead and SSH (or open a console) to your CVM. Nutanix KB : How to Shut Down a Cluster and Start it Again? Nutanix commands for gracefully shutting down and starting an AHV node, Xi Leap – Native Cloud DR for Nutanix Clusters, Nutanix Technology Champion 2020 – Three years running. Now all you need to do is: cvm_shutdown -P now. Before you reboot the CVM you need to stop it gracefully. 1. Please try again in a few minutes. Shutting down and Restarting a Nutanix Cluster requires some considerations and ensuring proper steps are followed - in order to bring up your VMs & data in a healthy and consistent state. Save my name, email, and website in this browser for the next time I comment. ncli cluster status | grep -A 15 cvm_ip_addr, ~/serviceability/bin/esx-enter-maintenance-mode –s, host.exit_maintenance_mode AHV-hypervisor-IP-address. nutanix@cvm$ acli. That’s it. Caution: Verify the data resiliency status of your cluster. SSH into CVM and issue the following command: Once the CVM is powered down, shutdown the host. nutanix@cvm$ acli host.enter_maintenance_mode Hypervisor address [wait=”{ true | false }” ], Your email address will not be published. Sorry, our virus scanner detected that this file isn't safe to download. All of my CVM's are configured to power on with host, as the NFS datastore on the node with a powered off CVM will remain inaccessible until the CVM is powered up. That is, the IP address was not assigned to the interface. They are there for a reason and are very good at their job. How can i restart the ClusterHealth service? Nutanix is a Hypervisor agnostic platform, it supports AHV, Hyper-V, ESXi and XEN. Now all you need to do is: cvm_shutdown -P now. Log on to another Controller VM in the cluster with SSH. If the node is in maintenance mode, log on to the Controller VM and take the node out of maintenance mode. The cvm_shutdown -P now command will gracefully stop all services on the CVM allowing you to reboot the CVM (or the node if you need) cleanly. Save my name, email, and website in this browser for the next time I comment. Determine if the Controller VM is running. Login and get to the ncli. , Your email address will not be published. Again, if it’s all too much, or you want to play it on the safe side, call Support. If the Controller VM is off, a line similar to the following should be returned: If the Controller VM is on, a line similar to the following should be returned: If the Controller VM is shut off, start it. Issue following commands of any controller VM (CVM) cvm$> cluster… The cvm_shutdown -P now command will gracefully stop all services on the CVM allowing you to reboot the CVM (or the node if you need) cleanly. If the node is in maintenance mode, log on to the Controller VM and take the node out of maintenance mode. This makes it all the more important to read the following Nutanix KB, which details the steps required to gracefully shutdown and restart a Nutanix cluster with any of the hypervisors. How to Shut Down a Cluster and Start it Again. Once your CVM is back up you can initiate NCC to run some checks across your cluster to ensure everything is okay. Its probably best to point out here that before you do ANYTHING, call Support. Once your CVM is back up you can initiate NCC to run some checks across your cluster to ensure everything is okay. This makes it all the more important to read the following Nutanix KB, which details the steps required to gracefully shutdown and restart a Nutanix cluster with any of the hypervisors . You don’t want to have it all go all banana on you and then leave you with a broken CVM.

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