Virtualization Basics

  • Host crash Diagnostic Partitions

    A diagnostic partition can be on the local disk where the ESXi software is installed. This is the default configuration for ESXi Installable. You can…

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  • VixDiskLib API

    On ESXi hosts, virtual machine disk (VMDK) files are usually located under one of the /vmfs/volumes, perhaps on shared storage. Storage volumes are visible from…

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  • Confirming connectivity to a TCP port with telnet

    While the ping command confirms connectivity, it does not necessarily mean that all TCP ports on the remote host can be reached. It is possible for a…

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  • How Does vMotion Works?

    If you need to take a host offline for maintenance, you can move the virtual machine to another host. Migration with vMotion™ allows virtual machine…

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  • All about DRS

    VMware vSphere Distributed Resource Schedule (DRS) is the resource scheduling and load balancing solution for vSphere. DRS works on a cluster of ESXi hosts and…

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  • What is VMware .vSphere-HA folder for?

    If you’re running VMware vSphere High Availability (HA) cluster, you have certainly noticed a folder named “.vSphere-HA” on several of your shared datastores. What is VMware .vSphere-HA…

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  • Split Brain Syndrome

    Split brain syndrome, in a clustering context, is a state in which a cluster of nodes gets divided (or partitioned) into smaller clusters of equal numbers of nodes, each of…

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  • SRM : How it work?

    Here is the process SRM follows when doing a Test failover or Failover operation. Please read/ understand and mug this(if you have to J), since…

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