[ClusterLabs] cofigured trace for Virtual Domains - automatic restart ?

[Ken Gaillot]

On Sat, 2021-09-18 at 15:25 +0200, Lentes, Bernd wrote:
> 
> ----- On Sep 18, 2021, at 1:19 AM, kgaillot kgaillot at redhat.com
> wrote:
> 
> > If the agent meta-data advertises support for the 1.1 standard and
> > indicates that the trace_ra parameter is reloadable, then Pacemaker
> > will automatically do a reload instead of restart for the resource
> > if
> > the parameter changes.
> 
> From where do i know that my RA supports 1.1 ?
> I'm running on SLES 12 SP5 with resource-agents-4.3.018.a7fb5035-
> 3.51.1.x86_64.

As far as I know, only a few of the ocf:pacemaker agents support OCF
1.1 currently. The resource-agents package doesn't.

To check a given agent, run "crm_resource --show-metadata
ocf:$PROVIDER:$AGENT | grep '<version>'" using the desired provider and
agent name.

> My crm does not support "crm resource reload":
> 
> ha-idg-1:~ # crm resource help
> Resource management
> 
> At this level resources may be managed.
> 
> All (or almost all) commands are implemented with the CRM tools
> such as crm_resource(8).
> 
> Commands:
>        ...
>         refresh          Recheck current resource status and drop
> failure history
>         restart          Restart resources
>       ...
> 
> > trace_ra is unusual in that resource agents don't define the
> > parameter
> > themselves, the ocf-shellfuncs shell include looks for it instead.
> > It
> > would be nice to come up with a general solution that all agents
> > can
> > use rather than modify each agent's meta-data individually, but
> > either
> > approach would work.
> 
> Bernd
-- 
Ken Gaillot <kgaillot at redhat.com>