Open Stack

+1 from me.

We are currently investigating how to use OpenStack with a FC SAN.

On Sun, Mar 25, 2012 at 8:29 AM, Salman A Baset <sabaset at us.ibm.com> wrote:

> I am sure it has been discussed, but booting an instance from a volume
> stored on SAN (similar to EBS) is clearly an important use case for private
> clouds...
>
> Best Regards,
>
> Salman A. Baset
> Research Staff Member, IBM T. J. Watson Research Center
> Tel: +1-914-784-6248
>
>
>
>
> [image: Inactive hide details for Josh Durgin ---03/22/2012 07:25:23
> PM---At the last couple volumes meetings, there was some discussio]Josh
> Durgin ---03/22/2012 07:25:23 PM---At the last couple volumes meetings,
> there was some discussion of the desired behaviors of nova's bo
>
> From: Josh Durgin <josh.durgin at dreamhost.com>
> To: openstack at lists.launchpad.net
> Date: 03/22/2012 07:25 PM
> Subject: [Openstack] boot from volume use cases
> Sent by: openstack-bounces+sabaset=us.ibm.com at lists.launchpad.net
> ------------------------------
>
>
>
> At the last couple volumes meetings, there was some discussion of the
> desired behaviors of nova's boot from volume functionality. There were
> a few use cases discussed, but there are probably plenty we didn't
> think of, so it would be useful to get input from a larger audience.
>
> What use cases for boot from volume are people interested in, and
> which should nova support?
>
> Here are a few use cases:
>
>   1) I use an existing instance to manually create a bootable volume
>      containing an OS there is no image for (and I cannot create an
>      image). I boot the new OS from the volume I created.
>
>   2) I create a bunch of new instances that have no ephemeral disks,
>      but are all based on the same image. The data from the image is
>      copied to a new volume for each new instance.
>
>   3) I have an instance that has no ephemeral disks, and stores
>      everything in a volume. I take periodic snapshots of the
>      volume. Later, my original instance becomes corrupted, and I want
>      to restore from the last known good snapshot I took. I boot a new
>      instance from a new volume created by cloning from the last
>      good snapshot.
>
>
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