[sheepdog-users] [ANNOUNCE] release candidate for sheepdog 0.8.0

[Andrew J. Hobbs]

On 01/14/2014 08:55 PM, MORITA Kazutaka wrote:
> At Tue, 14 Jan 2014 20:56:34 +0100,
> Marcin Mirosław wrote:
>> W dniu 2014-01-14 18:45, Andrew J. Hobbs pisze:
>>> On 01/14/2014 12:03 PM, MORITA Kazutaka wrote:
>>>> Hi all,
>>>>
>>>> I'd like to announce the release candidate for sheepdog 0.8.0.
>>>>
>>>>     https://github.com/sheepdog/sheepdog/archive/v0.8.0-rc0.tar.gz
>>>>
>>>> Any kind of testing would be highly appreciated.  Sheepdog 0.8.0 is
>>>> planed to be released one week later:
>>>>
>>>>     https://github.com/sheepdog/sheepdog/wiki/Release-schedule
>>>>
>>>>
>>>> Thanks,
>>>>
>>>> Kazutaka
>>> I recall something about a new hash algorithm that was going to require
>>> a reformat.  Is that still the case with .8 from .7.6, or is there a
>>> migratory path?  Unfortunately we just started the semester here on the
>>> production cluster, so I'll have to wait for a break to upgrade if
>>> there's a major change in the underlying format.
>> Hi!
>> As for now I can see message:
>> ERROR [main] migrate_from_v2_to_v3(423) not implemented
>> while I was trying to upgrade cluster.
> I should have informed you about compatibility issues.  Sorry for
> that.
>
> We've changed a hash function for better balancing, so there is no
> compatibility between 0.8.0 and 0.7.x.  I have a plan to provide a way
> to upgrade from 0.7.x, but, probably, it will come after the 0.8.0
> release.
>
> If you already have a cluster with sheepdog 0.7.x, please wait for
> upgrading it for a while.
>
> Thanks,
>
> Kazutaka
Excellent.  Thank you for the information.  I'll hold in the .7 stable 
tree for now then, and plan on migrating over spring break in March.  
Worst case I can reload from qcow2 offsite exports during that break if 
a migratory path isn't ready by then.

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