dejan at suse
Aug 8, 2012, 1:53 AM
Post #4 of 4
On Tue, Aug 07, 2012 at 11:04:22PM -0600, Alan Robertson wrote:
> On 08/07/2012 08:18 AM, Dejan Muhamedagic wrote:
> > Hi Alan,
> > On Mon, Jul 30, 2012 at 10:14:27AM -0600, Alan Robertson wrote:
> >> The LRM treats operation timeouts as ERROR:s - not just failed
> >> operations that give warnings. This violates the meaning of ERROR:
> >> messages in the code.
> >> We reserved ERROR: messages for things that the software did not expect
> >> - and therefore possibly could not be properly recovered from. In this
> >> case, the behavior is perfectly expected and the condition will be
> >> properly recovered from. It just means the operation in question failed.
> >> An sample message:
> >> ERROR: process_lrm_event: LRM operation agent-da:3_monitor_5000
> >> (47) Timed Out (timeout=60000ms)
> >> Because of this one message, you can't tell customers "If you ever have
> >> an ERROR: message, the HA software has failed".
> >> This ought to just be a warning, like any other failed action...
> > I guess that ERROR is used because resource agents use the same
> > severity when reporting failures they cannot recover from. In
> > this case, the RA won't log anything, so the lrmd does that on
> > its behalf. That seems OK to me. The other option would be to
> > remove the ERROR severity log messages in all RA, because a
> > resource problem should normally always be recoverable.
> The exceptions that print ERROR: should be relegated to things like "The
> CRM gave me a command I didn't understand, or referenced a resource that
> I don't know about" -- and similar things that really shouldn't happen.
> Or that's how it seems to me anyway...
Turns out that this comes from the crmd not lrmd. The lrmd
actually does issue just a warning.
I see your point though I'd still be reluctant not to log an
error somewhere, because all other resource errors are logged at
> Alan Robertson <alanr [at] unix> - @OSSAlanR
> "Openness is the foundation and preservative of friendship... Let me claim from you at all times your undisguised opinions." - William Wilberforce
> Linux-HA-Dev: Linux-HA-Dev [at] lists
> Home Page: http://linux-ha.org/
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