[ubuntu-cloud] trying to make a local-store AMI

David Stainton dstainton415 at gmail.com
Fri Mar 11 17:29:00 UTC 2011

Hi Scott,

Thanks for the info!
I'll give that a try.



On Thu, Mar 10, 2011 at 6:37 AM, Scott Moser <smoser at ubuntu.com> wrote:
> On Wed, 9 Mar 2011, David Stainton wrote:
>> Hi,
>> I'm trying to make a local store AMI from a running instance with
>> ami-08f40561 (ubuntu-maverick-10.10-amd64); like this:
>> ec2-bundle-vol --cert cert-KZR4IXA6BHN3A3PH3ONHLUP5VVSA2M7K.pem
>> --privatekey pk-KZR4IXA6BHN3A3PH3ONHLUP5VVSA2M7K.pem -u xxxx-xxxx-xxxx
>> ec2-upload-bundle -b my-ami-bucket -m image.manifest.xml -a
>> AKIAJMHWTRQLX77IO5JA -s cd/MCdjCzJ/twnRqZgUnge/yY5sptB9T5PKSupX+
>> ec2-register --name my-ami-bucket/my-server my-ami-bucket/image.manifest.xml
>> ec2-run-instances ami-xxxxxxxx --key default --instance-type m1.large
> If you have an older version of ec2-bundle-vol, or if you got it from a
> location other than the ubuntu archive, then it is likely that you're
> running into bug 672986 [1] or 667793 [2].  Until those bugs were fixed
> (version 1.3.49953-0ubuntu1.1 in maverick), the kernel would fail to find
> the root volume because it was specified with LABEL= or UUID= and those
> items were not being copied.
>  [1] https://bugs.launchpad.net/ubuntu/+source/ec2-ami-tools/+bug/672986
>  [2] https://bugs.launchpad.net/ubuntu/+source/ec2-ami-tools/+bug/667793
> You can get the ec2 ami tools from the ubuntu multiverse archive by:
>  - edit /etc/apt/sources.list and uncomment the 2 lines
>   deb http://archive.ubuntu.com/ubuntu/ maverick multiverse
>   deb http://archive.ubuntu.com/ubuntu/ maverick-updates multiverse
>  - sudo apt-get update
>  - sudo apt-get install ec2-api-tools ec2-ami-tools
> Note the warning in the top of that file that the file is generated on
> first instance boot, so your modifications will not survive a rebundle.
> Also possible, but less likely, is that you are not specifying a kernel,
> and one is not being "inherited" from the running instance (due to some
> bug).  If that were the case, you'd end up using some old fedora kernel
> (2.6.18 or so) which would fail to find the root filesystem.    If that is
> the case, then in either the bundle stage or the register stage you will
> need to specify a kernel to launch with.  For current 10.04 images and
> beyond you should specify a "pv-grub" kernel.
> For us-east-1 (where ami-08f40561 is) you will want to use kernel
> aki-427d952b (ec2-public-images/pv-grub-hd0-V1.01-x86_64.gz).
> So, either:
>   ec2-bundle-vol --kernel aki-427d952b ...
> or
>   ec2-register --kernel aki-427d952b ...
>> This results in the ec2 instance booting up with kernel errors in the
>> log; it cannot find the root fs...
> Both of the issues above will result in this error.

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