Virtualization Basics

  • Some useful vmkfstools ‘hidden’ options

    1. Display hosts which are actively using a volume ~ # vmkfstools –activehosts /vmfs/volumes/TEST-DATASTORE Found 1 actively heartbeating hosts on volume ‘/vmfs/volumes/TEST-DATASTORE’ (1): MAC address 91:1a:b2:7a:14:d4…

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  • What is VMware Raw Device Mapping (RDM)?

    In other contexts, such as the VirtualCenter client console, raw device mapping may be described in terms such as “Mapping a VMFS volume into a…

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  • Change the EVC Mode for a Cluster

    Verify : Verify that all hosts in the cluster have supported CPUs for the EVC mode you want to enable. See http://kb.vmware.com/kb/1003212 for a list of supported…

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  • Limits on Simultaneous Migrations

    vCenter Server places limits on the number of simultaneous virtual machine migration and provisioning operations that can occur on each host, network, and datastore. Each operation,…

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