Setting up CTDB on OCFS2 and VMs ...
obnox at samba.org
Sat Dec 6 17:21:37 MST 2014
On 2014-12-07 at 00:48 +0100, Michael Adam wrote:
> So the important bit is that in your case ctdb
> is running unprotected from split brain.
> The only reference to split brain is a notification
> of user steve in case drbd detects a split brain.
> If I get it right (there are no details about this
> in the blog post), this means that until user steve
> reacts to that notification the ctdb/samba cluster
> runs happily in the split brain situation and
> corrupts the users' data.
Ok, maybe it is not quite as bad. The config snippet
Which is explained to some extent in
seems to indicate that in case of split brain
certain measures are potentially taken.
Also read the explanations about DRBD split brain here:
This states that DRDB split brain is different from
cluster split brain (also called cluster partition).
So I'd really like to know what happens in your
setup in a split brain situation.
Cheers - Michael
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