[Ocfs2-users] OCFS2 and upgrades

[Sunil Mushran]

OCFS2 is always backward compatible as far as the on-disk format
goes. So no issue on that front.

However, the net protocol has changed. So you will not be able
to mount it concurrently on kernels 2.6.15 (dapper) and 2.6.22 (gutsy).

Sunil

Eric Ross wrote:
> Here's the situation:
>
> * I have two boxes using OCFS2
>
> * One was is running Ubuntu Dapper, and the other is running Ubuntu 
> Gutsy (upgraded from Dapper)
>
> * modinfo ocfs2 on both boxes lists version number: 1.3.3
>
>
> My questions:
>
> * It's possible to mount an ocfs2 filesystem across a gutsy box and a 
> dapper box at the same time?
>
> * Will an on disk format upgrade that needs to take place?
>
>
> I think it should mount and no format upgrade will take place, but I 
> would like to be sure.
>
> Thanks,
> -Eric
>
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