Open Stack

Hi,

thanks for the replies; I needed to add a cdrom with software to a windows
instance to make it available to a third party for installation and
configuration.
Just for the record, I did it simply by:

virsh attach-disk  <libvirt domain id/instance id> <path to the image>.iso
 hdd --type cdrom

Thanks!
/Nicolae


On 17 September 2013 12:24, laclasse <laclasse at gmail.com> wrote:

> Hi,
>
>  What are you trying to do? Do you need to attach/detach a cdrom often? If
> it is to install the OS, you should either try a vendor shipped image or
> create a custom one, save it and push it to your OpenStack deployment.
>  See here:
> 
>
> http://docs.openstack.org/trunk/openstack-compute/admin/content/starting-images.html
>
>
> If it is for other purposes, you could simply use dd to copy the content
> of your iso to a block volume from an instance, once done detach that block
> volume and re-attach to another instance. To do this you could follow these
> steps:
> - launch an instance with an ephemeral/local disk large enough to hold
> your .iso / cdrom contents (should not be hard)
> - make your cdrom
>  contents an .iso file: pop your
> CD
>  in a cdrom on a Linu
> x or U
> nix based machine and do:
>       $ dd if=/dev/cdrom of=/path/to/mycdrom-contents.iso  (assuming
> /dev/cdrom is a symlink pointing to your cd player device)
> - upload the resulting file using scp to your instance:
>       $ scp /path/to/
> mycdrom-contents.iso
>   -i myseckey.pem <username>@XXX.XXX.XXX.XXX:~
> - create a new block volume of the size of your CD contents (a little bit
> over will not hurt) and name it something related to your CD content.
> - attach the block volume to your instance
> - ssh to your instance and 
> 
> again use dd to copy the .iso file to the newly attached block device
> (_without_ first making a file system on it)
>
>       $ dd if=/home/<user>/
> mycdrom-contents.iso
>  of=/dev/sdX (where sdX is the newly attached block device)
> - detach the block device and attach/re-attach to other instances to your
> heart content.
>  If the second part did not make sense to you, I would recommend looking
> at the documentation at 
> 
> http://docs.openstack.org/trunk/<http://docs.openstack.org/trunk/openstack-compute/admin/content/starting-images.html>
>
> Hope this helps.
>
>
>
> On Mon, Sep 16, 2013 at 8:19 AM, Nicolae Paladi <n.paladi at gmail.com>wrote:
>
>> Hi,
>>
>> is it possible to launch an instance with additional media (e.g. cdrom)
>> attached?
>> I haven't found anything like that among the nova boot options
>>
>> cheers,
>> /nicolae
>>
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>
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