[gsoc-dev] Some questions on GWM & Ganeti

Lance Albertson lance at osuosl.org
Mon Apr 15 19:14:20 UTC 2013


On Mon, Apr 15, 2013 at 12:12 PM, pranjal mittal
<mittal.pranjal at gmail.com>wrote:

> Thank you Lance. Helped clear a lot of things.
> I tried gnt-add to add more nodes (to the cluster), as per your github
> documentation.
>

Excellent!


> root at node1:~#* gnt-node add -s 33.33.34.12 node2*
>
> but this is what I get as an error:
>
> -- WARNING --
> Performing this operation is going to replace the ssh daemon keypair
> on the target machine (node2.example.org) with the ones of the current one
> and grant full intra-cluster ssh root access to/from it
>
> Unable to verify hostkey of host node2.example.org:
> 68:9e:cf:2b:4c:a8:23:4f:de:68:9b:da:94:78:92:52. Do you want to accept
> it?
> y/[n]/?: y
> *Failure: prerequisites not met for this operation:*
> *error type: environment_error, error details:*
> *Version mismatch master version 2050000, node version 2060000 *
> *
> *
> *
> *
> What is this Version mismatch error?
>

As I said on IRC I think there are two different versions of Ganeti being
run. I updated it a few days ago to point to 2.0.6. I would recommend you
destroy your cluster and rebuild it to get it fixed correctly.

-- 
Lance Albertson
Director
Oregon State University | Open Source Lab
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