CVM Security Settings. nutanix@cvm$ cluster_status 2. This indicates a good PSU reading status. No services are running on [ip] Run the "cluster start" command as below on CVM (Controller VM) IP mentioned in the message. Configuring VMware vSwitches by vSphere CLI (using hostssh for nutanix cluster) you can set the following commands in a nutanix CVM. 1. Nutanix presents us with many management interfaces like HTML5(Prism), REST API, acli and ncli for managing and troubleshooting and maintaining work infrastructure. This script is quite simple as it will send some remote commands via SSH to Nutanix CVM and host to get the value back. AHV Networking Best Practices | 36 because if the switch is misconfigured, using a shortcut could disconnect all Nutanix nodes in a cluster. If a PSU shows a value other than the good readings above, please run the same command on other hosts in the same block. [Service Name] service is down on [ip] Run the "cluster start" command as below on CVM IP mentioned in the message. If it fails, engage Nutanix Support. nutanix@cvm$ hostssh "/ipmitool sensor | grep -i ps" So what does the above output mean: The output of each of these should show PS1 and PS2 with a value of 0x1 or 01. We’ll get into the details of these commands in the following sections. Run any of the following commands to verify your existing settings: hostssh ovs-appctl bond/show br0-up (picture shows Bond0 which is the old name) will show configuration for all AHV hosts in the cluster If you are not using nutanix - you can remove the "hostssh" parameter in front of the command. The default password is: nutanix/4u Once you are connected, you will be at the SSH prompt, as shown below. If Thread(s) per core is set to 2, then HT is enabled. The CVM has a bash shell where you can execute commands such as manage_ovs, acli, allssh, and hostssh. The following commands have been added to NCLI to support cluster-wide configuration of the SCMA policy. The hostssh macro will run the following command on all hypervisor hosts in the Nutanix cluster. All seems running well except for the nodetool script. The AHV host has a bash shell as well, though it is rarely needed. You can run these command by logging to any of the CVM's. To check the date on all the nodes allssh ssh root@192.168.5.1 date To check the NTP source allssh ssh root@192.168.5.1 ntpq -p To update the NTP server allssh ssh root@192.168.5.1… The list below gives all commands and functions: The below commands helps to troubleshoot and fix NTP issues on Nutanix Cluster. There are several CLI shells in a Nutanix system. Very helpful! Very helpful! nutanix@cvm$ cluster_start 3. Verify using the first command listed below and then use that throughout the blog post. Hi, I am writing a small bash shell script to help automating my tasks on Nutanix system. Run the following command on any CVM to check the bridge chaining status: hostssh cat /root/acropolis_ovs_config Sample output if bridge chaining is disabled: nutanix@CVM:~$ hostssh cat /root/acropolis_ovs_config ===== xx.xx.xx.1 ===== [DEFAULT] disable_bridge_chain = True Sample output if bridge chaining is enabled: Here you can run commands, such as: cluster status which will show you the status of the entire Nutanix cluster, across all CVM’s in the cluster. Nutanix does not recommend using the allssh or hostssh shortcuts to set VLAN tags, AHV Networking 5. The Nutanix Command Line Interface (NCLI) allows customers to control various configuration settings to enable more stringent security requirements. The SCMA policy nutanix hostssh command added to NCLI to support cluster-wide configuration of the command following sections is rarely.! Could disconnect all Nutanix nodes in a cluster macro will run the following sections the first listed. 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