[Openstack] Flavor files and disk and ephemeral sizes

Shake Chen shake.chen at gmail.com
Sat Sep 28 17:44:22 UTC 2013

I also have  question about Flavor and  ephemeral disk.

if I choose from ISO install OS , the ephemeral disk would not allow zero

whether can modify the default setting of the ephemeral disk size in flavor.

On Sat, Sep 28, 2013 at 6:11 AM, Steven Gessner <gessners at us.ibm.com> wrote:

> Hi, I hope someone can clarify the questions I have.
> When I look at the documentation on flavor files:
> http://docs.openstack.org/grizzly/openstack-compute/admin/content/instance-building-blocks.html#instance-building-blocks-flavors,
> I see the virtual root disk size shown for the m1.small to m1.xlarge
> flavors remaining constant at 10gig and the ephemeral disk ranging from 20
> to 160gig.  When I look at an OpenStack environment built by a friend, I
> see the ephemeral size always at 0gig and the virtual root disk size
> containing the values 20 to 160gig.
> I know an admin can modify the values but my friend says he didn't.  In
> addition, I would have expected the virtual root disk to remain constant
> for the flavors in order to allow me to easily choose different size
> virtual machines to hold a Linux image.  Is the documentation showing the
> flavors wrong or has my friend someone incorrectly and unknowingly swapped
> the values in the flavor for virtual root disk size and ephemeral size?
> Thank you for your time,
> Steve Gessner
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Shake Chen
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