[Pacemaker] ocf:lvm2:clvmd resource agent

[David Vossel]

----- Original Message -----
> From: "Andrew Daugherity" <adaugherity at tamu.edu>
> To: "<pacemaker at oss.clusterlabs.org>" <pacemaker at oss.clusterlabs.org>
> Sent: Wednesday, February 12, 2014 4:56:18 PM
> Subject: [Pacemaker] ocf:lvm2:clvmd resource agent
> 
> I noticed in recent discussions on this list that this RA is apparently a
> SUSE thing and not upstreamed into resource-agents.  This was news to me,
> but apparently is indeed the case.

I've just introduced (as of today) a clvmd agent for review upstream. It is not the SUSE agent. I would like to encourage SUSE to merge their features into this agent and support the upstream effort here.

https://github.com/ClusterLabs/resource-agents/pull/382

> I guess it's SUSE's decision whether to push it upstream but IMO that would
> be the best way to go, so it could become the standard "by-the-book" way to
> use clvmd with pacemaker.  Right now it lives in the lvm2-clvm RPM, which is
> in the SLES 11 HAE add-on and also in the standard OSS repo for openSUSE
> [1].
> 
> The rest of this message is directed more at the SUSE developers & engineers
> who read this list; hopefully this is a more eyeballs = bugs are shallow
> thing than an annoyance...
> 
> 
> For now, is there a github repo or equivalent for this package, or do you
> just want people to file bugs with openSUSE/support requests with Novell?
> Reason I ask is, I noticed lots of log spamming by clvmd after upgrading
> from SLES 11 SP2 to SP3.  Indeed clvmd is now running with the '-d2' option,
> which is the new default:
> ====
> # Parameter defaults
> : ${OCF_RESKEY_CRM_meta_globally_unique:="false"}
> : ${OCF_RESKEY_daemon_timeout:="80"}
> : ${OCF_RESKEY_daemon_options:="-d2"}
> ====
> In SP2 it read ': ${OCF_RESKEY_daemon_options:="-d0"}'.
> 
> After adjusting my clvmd cluster resource to silence this, by adding
> daemon_options like so:
> ====
> primitive clvm ocf:lvm2:clvmd \
>         params daemon_options="-d0" \
>         op start interval="0" timeout="90" \
>         op stop interval="0" timeout="100"
> ====
> syslog is back to normal.
> 
> In the RPM changelog it looks like this was intentional, but the bug in
> question is marked private, so I have no idea why this was done:
> ====
> * Tue Jan 15 2013 dmzhang at suse.com
> - clvmd update to 2.20.98,fix colletive bugs.
> - fate#314367, cLVM should support option "mirrored"
>   in a clustered environment
> - Fix debugging level set in clvmd_set_debug by using the correct
>   variable (bnc#785467),change default -d0 to -d2
> ====
> Can someone who has access explain why full -d2 debug mode is now the
> default?  This doesn't seem like a sensible default.
> 
> 
> Thanks,
> 
> Andrew Daugherity
> Systems Analyst
> Division of Research, Texas A&M University
> 
> 
> [1]
> https://build.opensuse.org/package/show?project=openSUSE%3AFactory&package=lvm2
> Specifically, see clvmd.ocf.
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