[Openstack] Migrate instances/tenants between clouds
sdj at rasmussenequipment.com
Thu Oct 24 21:20:39 UTC 2013
On Thu, Oct 24, 2013 at 2:56 PM, Joshua Harlow <harlowja at yahoo-inc.com>wrote:
> I agree its not simple (from experience),
> There is a difference though between 'simpler for now' and the 'right
> thing to do',
> If software doesn't support the right thing to do ('upgrade',
> 'dist-upgrade' - or yum equivalent) then the community needs to make that
> work (and stop with new features).
> Otherwise the community is in a whole world of trouble. If openstack is
> to make the life of operations & other people better and the only way to
> operate it is to build new regions, then something feels backwards in this
> IMHO bypassing the problem is not a long-term solution (and is not
> healthy for openstack to even recommend this).
> I don't even think its a short-term solution honestly since building a
> new region costs $$ and downtime. Who wants to do that every 6 months, I
> can surely tell u I don't :)
> From: Martinx - ジェームズ <thiagocmartinsc at gmail.com>
> Date: Thursday, October 24, 2013 1:17 PM
> To: Joshua Harlow <harlowja at yahoo-inc.com>
> Cc: Tim Bell <Tim.Bell at cern.ch>, Alexander Stellwag <
> openstack at stellwag.net>, "openstack at lists.openstack.org" <
> openstack at lists.openstack.org>
> Subject: Re: [Openstack] Migrate instances/tenants between clouds
> I do not even want to try to upgrade my system...
> I know that DPKG is awesome and handle system upgrades carefully but,
> sounds more simpler to just build a new Region...
> This doesn't sound trivial (like `apt-get update ; apt-get
> Don't you think!?
> On 24 October 2013 17:48, Joshua Harlow <harlowja at yahoo-inc.com> wrote:
>> Whatever happened to doing in-place upgrades?
>> Has that been problematic for u, are people just not doing it? If they are
>> avoiding it, why?
>> Shouldn't just going from folsom->havana work, if not, why not; it worries
>> me that this isn't priority #0 if it doesn't work.
>> On 10/24/13 10:51 AM, "Tim Bell" <Tim.Bell at cern.ch> wrote:
>> >Have you tried
>> >- snapshot
>> >- glance download of the snapshot
>> >- glance upload of the snapshot to new instance
>> >- boot from snapshot
>> >The process we use at CERN is documented at
>> >This could be a good technique to document in the standard CERN openstack
>> >user guide.
>> >BTW, this does increase the storage in your glance server since you'll
>> >loose any commonality between multiple images. So, make sure you've lots
>> >of space on Glance.
>> >> -----Original Message-----
>> >> From: Alexander Stellwag [mailto:openstack at stellwag.net]
>> >> Sent: 24 October 2013 16:53
>> >> To: openstack at lists.openstack.org
>> >> Subject: [Openstack] Migrate instances/tenants between clouds
>> >> Hi stackers,
>> >> we're looking for a tool / script / blueprint to migrate instances or
>> >>even complete tenants between multiple installations of OpenStack
>> >> (possibly running different versions).
>> >> I searched around the net but didn't find anything appropriate. Is any
>> >>of you aware of such a tool?
>> >> The current use-case is a migration from a folsom/nova-network based
>> >>installation into our new havana/neutron based cloud. It is not
>> >> necessary to migrate instances and volumes online but it should work at
>> >>least semi-automatically to make it usable in large deployments.
>> >> Any hints would be greatly appreciated.
>> >> Cheers,
>> >> Alex
>> >> --
>> >> Alexander Stellwag
>> >> Deutsche Telekom AG Products & Innovation Infrastructure Design
>> >Mailing list:
>> >Post to : openstack at lists.openstack.org
>> >Unsubscribe :
>> Mailing list:
>> Post to : openstack at lists.openstack.org
>> Unsubscribe :
> Mailing list:
> Post to : openstack at lists.openstack.org
> Unsubscribe :
But doesn't that responsibility lie with the package maintainers for
Openstack in each distro?
Shane D. Johnson
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the Openstack