[Pacemaker] future of DLM

[Lentes, Bernd]

Lars wrote:
>
> Hi Bernd,
>
> > in the german IT newspaper "Linux-Magazin" 2/13 was an
> article, which says that the future of DLM (Distributed Lock
> Manager) is unclear.
> > I'd like to create a HA cluster with two nodes, accessing
> concurrently one FC SAN with OCFS2. I need DLM.
> > I wonder that the future is unclear because, afaik, DLM is
> integrated in the kernel. If it is not properly maintained,
> of course i would not like to use it.
>
> The article is a bit ... exaggerating. The in-kernel DLM of course
> continues to be mainainted, and OCFS2 (in user-space mode)
> will continue
> to consume it too. (Just like GFS2.)
>
> It also accusses SLE HA of sticking to an old DLM version, which isn't
> true either - it's true we backport changes selectively (and
> can't break
> the wire protocol, which affects the controld user-space code
> we can use
> there), but that's the whole point of a "stable" enterprise
> distribution.
>
> It's a bit alarmist. But the author should be participating on this
> list, that should be a fruitful discussion ;-)
>
>
> Regards,
>     Lars
>
Hi Lars,

thanks for claryfying that. So i can use DLM without any concern ?


Bernd

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