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Posted on 2016-11-08
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what is the difference between vmotion and vstorage motion

and in what purpose both is used.

also can some body give an example of esxi hosts, clusters, data store  having SAN , how they are all interconnected

I just want to technically know the architecture as I know the meaning of terms
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Question by:pramod1
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Andrew Hancock (VMware vExpert / EE MVE^2) earned 500 total points
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what is the difference between vmotion and vstorage motion

and in what purpose both is used.

also can some body give an example of esxi hosts, clusters, data store  having SAN , how they are all interconnected

I just want to technically know the architecture as I know the meaning of terms

vMotion is the LIVE Migration of a virtual machine between hosts (e.g. the VM World Process).

Storage vMotion is the LIVE Migration of a virtual machines virtual disks (e.g. storage), between Datastores.

The purpose of a vMotion or Storage vMotion is to allow you to LIVE MIGRATE e.g. move a virutal machine which is powered up in real time with no downtime or service interruption.

e.g. you need to restart or take down a host for planned maintenance, you can move ALL the VMs off to do this, before you shut it down.

ESXi hosts are connected to the same datastores, and for Clustering this would be a Shared Storage datastore, such as Fibre Channel, iSCSI SAN or NFS NAS.

ESXi hosts communicate via a network, and the same network can be used to connect to a SAN or NAS, or Fibre Channel Network to connect to a Fibre Channel SAN.
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