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Re: [rdo-list] Upgrading from Newton to Ocata



Thanks for the feedback.

On Tue, Sep 5, 2017 at 4:52 PM, Peter Kirby
<peter kirby objectstream com> wrote:
> Hello RDO Team,
>
> I'm still fairly new to OpenStack so this may be because I didn't read the
> documentation closely enough before the upgrade, but I ran into an issue
> that I was hoping to get some clarification on.
>
> I used this page to perform the upgrade [1].
>
> Everything went smoothly until setting up cells for the first time.  I had
> not done this in Newton.
>
> I got to step 14: "List registered cells to get their UUIDs:" which worked
> great.  I had cell0 and cell1 created from previous steps, everything seemed
> to be in place.
>
> The next step says: "Pass the UUIDs to the map_instances command to map
> instances to cells:" with the following command example:
> "# su -s /bin/sh -c "nova-manage cell_v2 map_instances --cell_uuid <cell
> UUID>" nova"
>
> I took this to mean run that command for both cell0 and cell1.  So I did.
> That mapped all my instances to cell0.
>
> I then started seeing errors like this in the logs:
> ERROR nova.api.openstack.extensions DriverLoadFailure: Failed to load
> transport driver "none": No 'oslo.messaging.drivers' driver found, looking
> for u'none'
>
> After much searching, I found the transport_url for cell0 in the database
> was set to "none:///" which is what was causing the error.
>
> I was able to create new instances, but not run any commands at all on
> current instances and all new instances were brought up in cell1.
>
> So I moved all current instances to cell1 by manually updating the database
> and all the errors went away and everything is running correctly.
>
> So my question is, did I do something else wrong that would cause this not
> to work properly or should those instructions be clarified a bit to say map
> instances to cell1, not cell0?

I've sent a PR to the doc in
https://github.com/redhat-openstack/website/pull/1071 to specify
cell1. Note that documentation changes can be sent following
https://www.rdoproject.org/contribute/#write-content.
>
> In my searching I did find other guides that did all these same things, but
> specifically said map instances to cell1.
>
> Thank you,
> Peter
>
>
> [1] - https://www.rdoproject.org/install/upgrading-rdo-2/
>
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