OK,

I read "9.5. Reloading Services After a Definition Change".So the filesystem RA 
lacks a "reload" operation. However even when having a "reload" operation, not 
all parameter changes can be done via a "reload"; some need a real restart.

Now the confusing thing comes into play: Why can't a "unique" parameter be 
changed and then the service be reloaded?
You are unnecessarily overloading the semantics of "unique" with something 
completely unrelated:

There are unique parameters that can be changed, still allowing a reload.
There are non-unique parameters that can be changed, but don't allow a reload.

Why not having a "reloadable" attribute for parameters that can be reloaded?

That's another example for some strange design. I also don't understand the 
note: "The metadata is re-read when the resource is started. This may mean that
 the resource will be restarted the first time, even though you changed a
 parameter with unique=0"

I read this as ``the first "reload" will always be a "restart" for no obvious 
reason''.

Regards,
Ulrich


>>> Andreas Kurz <andr...@hastexo.com> 30.11.11 14.54 Uhr >>>
On 11/30/2011 12:58 PM, Ulrich Windl wrote:
> Hi,
> 
> when changing the performce-related-only mount option for a filesystem I 
> noticed that the LRM decided to restart the resource and all the depending 
> resources.
> 
> As I know that Linux supports "-o remount", such a restart would not be 
> necessary.
> 
> So I wonder: When ever will the LRM decide to try a "reload" method (assuming 
> the RA has one)?
> 
> A pointer to the documentation would be OK.

http://www.clusterlabs.org/doc/en-US/Pacemaker/1.1/html-single/Pacemaker_Explained/index.html#s-reload

Regards,
Andreas

-- 
Need help with Pacemaker?
http://www.hastexo.com/now

> 
> Regards,
> Ulrich
> 
> 
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