Setting up CTDB on OCFS2 and VMs ...

Richard Sharpe realrichardsharpe at
Mon Dec 8 07:57:16 MST 2014

On Mon, Dec 8, 2014 at 4:02 AM, Min Wai Chan <dcmwai at> wrote:
> Which meant that
> We are running CTDB with not their initial design...

Yes, or certainly with a setup that has not been tested. The DRBD
dual-master feature was something I was unaware of since I have not
looked at DRBD for years.

It would seem to work for shared storage but you also need the OCFS2
distributed lock manager feature working for CTDB's lock recovery to

In the steps I used and documented, the biggest problem was with
getting the DLM running for OCFS2.

> And out of the design specification :)
> And not sure what will happen.
> That would be a nice way to put it...

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