[one-users] Set root disk size at runtime

[Ruben S. Montero]

Hi

I assume this is not for OS images (the one that runs cloudinit)... For
other disks you can take a look at the volatile disk feature. [1]

Volatile disks are created on the target host on-the-fly when the VM is
deployed. Note that these disks are volatile and can not be saved. Its
primary use is for scratch partitions.

[1] http://opennebula.org/documentation:rel3.6:template#volatile_disks

Cheers

Ruben

On Mon, Sep 24, 2012 at 1:01 PM, Ricardo Duarte <rjtd21 at hotmail.com> wrote:

> Hi there,
>
> I had a look at cloud-init, and also other cloud softwares, and this is
> what they do:
>
> - The images themselves are very small in size
> - The size of the root disk is selected when launching a instance, and as
> so, it can be part of the service offering (ex.: small 8GB, medium 10GB,
> etc).
> - The virtual disk is grown to the size selected when launching the
> instance. Partition size inside is kept.
> - Cloud-init, inside the guest, resizes the partition on first boot, by
> using resize2fs. This is just a small command, so it could be done without
> cloud-init quite easily
>
> Is this currently possible to do with existing OpenNebula functionality?
>
> Thanks,
> Ricardo
>
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>
>


-- 
Ruben S. Montero, PhD
Project co-Lead and Chief Architect
OpenNebula - The Open Source Solution for Data Center Virtualization
www.OpenNebula.org | rsmontero at opennebula.org | @OpenNebula
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