[Linux-ha-dev] Synchronicity of OCF RA operations

[Alan Robertson]

Joe Bill wrote:
> Are the OCF RA operations synchronous or asynchronous
> ?
> 
> Or, in other words, is there any built-in mechanism
> designed to prevent the starting, and thus the
> simultaneous execution of two or more operations on
> the same instance, i.e.:
> 
> - a 'status' operation while a 'monitor' operation is
> currently executing  ?
> 
> - a user issued 'stop' operation while a 'monitor'
> operation is currently executing ?

Simultaneous execution on the same resource is disallowed by the Open
Cluster Framework specification, and by the LRM for all resource types.

But, at the moment due to a bug in the LRM, sometimes the answer might
be no, if your resource times out.  [Bug fix is underway]

-- 
    Alan Robertson <alanr at unix.sh>

"Openness is the foundation and preservative of friendship...  Let me
claim from you at all times your undisguised opinions." - William
Wilberforce