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From Mike Tutkowski <>
Subject Re: Volume Instance IDs
Date Fri, 20 Jun 2014 17:36:37 GMT
When you create a volume in the GUI, as well, it will not have an instance

Once you attach the volume to a VM, this is when the volume gets an
instance ID (the association between the volume and the VM that "owns" it
at the time being).

Now, I'm not sure I understand what one would do if one wanted to apply a
clustered file system to such a volume and have it accessible to multiple
VMs (who are hopefully coordinating access to the data on the volume). I'm
guessing CloudStack doesn't support this?

On Fri, Jun 20, 2014 at 7:30 AM, Matt Spurlin <>

> I have been poking around at the code for deploying VMs and noticed
> that it appears volumes need an instance ID in order to be chosen as a
> suitable volume for the VM. When I create a volume through the API it
> does not have an instance ID. How do volumes get this instance ID?
> Thanks,
> Matt

*Mike Tutkowski*
*Senior CloudStack Developer, SolidFire Inc.*
o: 303.746.7302
Advancing the way the world uses the cloud

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