[Openstack-operators] CentOS Image

Jacob Godin jacobgodin at gmail.com
Sun Apr 7 22:23:23 UTC 2013


Great, that seems to be exactly what I need! Thanks Lorin


On Sat, Apr 6, 2013 at 5:18 PM, Lorin Hochstein <lorin at nimbisservices.com>wrote:

> Jacob:
>
> You can configure a raw or qcow2 image to resize on boot so it uses the
> entire primary root disk. See the "Support resizing" section of the
> OpenStack Compute Admin guide for more details:
>
>
> http://docs.openstack.org/folsom/openstack-compute/admin/content/image-customizing-what-you-need-to-know.html#support-resizing
>
> I believe that if cloud-init is installed, it will resize the root
> partition for you by default, although I haven't tested this myself. For
> CentOS images, you can install cloud-init from EPEL.
>
> Lorin
>
>
> On Sat, Apr 6, 2013 at 3:05 PM, Jacob Godin <jacobgodin at gmail.com> wrote:
>
>> Hi Lorin,
>>
>> It was my understanding that this was the way to have a dynamic root
>> disk. So I can have, say, a 5GB instance and a 100GB instance use the same
>> image, rather than limiting the size root FS and giving the rest as
>> ephemeral storage.
>>
>> @Abel: Ubuntu images work just fine
>>
>>
>>
>> On Sat, Apr 6, 2013 at 12:58 PM, Lorin Hochstein <
>> lorin at nimbisservices.com> wrote:
>>
>>> Out of curiosity, why did you decide to create AMI/ARI/AKI format images
>>> instead of qcow2? Curious because I thought that was a legacy thing that
>>> nobody did anymore.
>>>>>> Sent from Mailbox <https://bit.ly/SZvoJe> for iPhone
>>>
>>>
>>> On Fri, Apr 5, 2013 at 11:32 AM, Jacob Godin <jacobgodin at gmail.com>wrote:
>>>
>>>> Hi all,
>>>>
>>>> I have created a CentOS image using the AMI + AKI + ARI method (same as
>>>> I used to create my Ubuntu images). I am able to successfully upload and
>>>> launch the image at first. When trying to launch the third+ instances, they
>>>> simply get stuck in a bootloop after the 'Booting from ROM...'.
>>>>
>>>> Even if I delete the original two images, I am unable to boot. The only
>>>> way to get a CentOS image to successfully boot is to re-upload the image.
>>>>
>>>> Any ideas? I'm using Folsom w/ Ceph RBD storage for images, and CephFS
>>>> for instances.
>>>>
>>>
>>>
>>
>
>
> --
> Lorin Hochstein
> Lead Architect - Cloud Services
> Nimbis Services, Inc.
> www.nimbisservices.com
>
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