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how to understand "backing devices" at VM?

 
stephen peng
Valued Contributor

‎11-15-2011 09:51 AM

‎11-15-2011 09:51 AM

how to understand "backing devices" at VM?

guys,

I could not quite follow the concept "backing device" in th manual,

 

regards

Stephen

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Dave Olker
Neighborhood Moderator

‎11-16-2011 07:00 AM

‎11-16-2011 07:00 AM

Re: how to understand "backing devices" at VM?

A backing device is another term typically used for storage device that a VM guest boots from or accesses data from.  As an example, the VM Host can present a whole LUN to a VM guest as a backing device that the VM will boot from.  The Host can also present an individual LVM logical volume as a backing device and have the guest boot from that.

 

Dave



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