[ClusterLabs] Any CLVM/DLM users around?

Patrick Whitney pwhitney at luminoso.com
Wed Oct 3 12:05:58 EDT 2018

Quick update:

Alas, enable_startup_fencing=0 in dlm.conf did not work as expected.  I'm
back to enable_fencing=0.


On Mon, Oct 1, 2018 at 10:24 AM Patrick Whitney <pwhitney at luminoso.com>

> Hi Everyone,
> I wanted to solicit input on my configuration.
> I have a two node (test) cluster running corosync/pacemaker with DLM and
> I was running into an issue where when one node failed, the remaining node
> would appear to do the right thing, from the pcmk perspective, that is.
>  It would  create a new cluster (of one) and fence the other node, but
> then, rather surprisingly, DLM would see the other node offline, and it
> would go offline itself, abandoning the lockspace.
> I changed my DLM settings to "enable_fencing=0", disabling DLM fencing,
> and our tests are now working as expected.
> I'm a little concern I have masked an issue by doing this, as in all of
> the tutorials and docs I've read, there is no mention of having to
> configure DLM whatsoever.
> Is anyone else running a similar stack and can comment?
> Best,
> -Pat
> --
> Patrick Whitney
> DevOps Engineer -- Tools

Patrick Whitney
DevOps Engineer -- Tools
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