5 Essential Tips for Maximizing Your Experience at Nutanix .NEXT for Bloggers
As you already know Nutanix provides block storage services in your clusters which are called Volume Groups. This provides SAN like capabilities by leveraging the existing hyper-converged infrastructure. Additionally, volume groups support SCSI unmap commands natively without having to turn on any additional setting as of AOS 4.7 in order to reclaim space from deleted blocks, more on that in the Nutanix Bible in the “Volumes (Block services)” section. However, there are certain caveats when using volume groups as backup targets so you must architect your backup solution wisely as you may have to consider losing some benefits in order to gain others.In this example, I will focus on Veeam’s feature of Fast clone, which you can read more about Veeam’s documentation here. However, this could apply to any backup solution that leverages underlying features from the file system to provide storage savings. In essence, this solution leverages the block cloning feature from ReFS in Windows whi
Disk structure of a CVMThe CVM is the core of the AOS clusters, but have ever wondered how disk layout exists within them?I provide a brief overview of its structure in the following post.The main thing that most of you are familiar with already, is that the LSI controller is passed directly to the CVM in order for it to have direct access to the disks in the node. When combining all the disks space from all the CVMs within the cluster it provides the unified software define storage pool used to store your data.That’s why when you run “df -h” in the CVMs you will see the data disks mounted in the following mount point:/home/nutanix/data/stargate-storage/disks/<disk serial_number>However, the CVM also needs to have space for itself in order work, so a portion of SSDs and HHD is reserved for that purpose.In single SSDs system you will get the following partition layout: sda1: ‘/ ‘ root partition sda2: standby root partition used for upgrades sda3: /home partition
Whether you are troubleshooting a particular issue or you are just curious to know how a certain component (such as a VM) performs in your cluster, understanding which tools are at your disposal will allow you to save time and effectively address issues related to your workloads in your Nutanix cluster; there are two type of charts you can use to review objects, understand how they are performing and take action accordingly, I will briefly explain each one of them below. Entity charts: It allows you to check multiple metrics from a particular object, for example checking the latency of a VM alongside with the amount of IOPS and controller latency, which is really useful when troubleshooting performance related issues.Metric charts: You can think of it as the opposite of the option above, the metric is the main object and then you can obtain information about the metric for a particular component. For example if you need to get the latency metric, you can then filter further for th
Within the Nutanix main infrastructure there are two main components which Administrators can use to manage their environment, those are the following: Prism Element Easy to use graphical interface to manage a single Nutanix Cluster, it exists as a service within your CVMs with one of them acting as a leader.From Prism Element you can have two different authentication methods, which are local users and Active Directory accounts. Prism Central Additional component which can be deployed as a VM to manage multiple clusters which can be horizontally and vertically scaled to suit your environment depending on how many components such as VMs and Clusters it is required to manage.From PC additional to both local users and AD accounts you can also configure SAML authentication using an identity provider.If you want to know more about the authentication types here are some additional resources you can use: Prism Element Authentication Configuration Prism Central Authentication Confi
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