On Dec 7, 2007 10:41 AM, Andrew Beekhof <[EMAIL PROTECTED]> wrote:

>
> On Dec 7, 2007, at 10:03 AM, China wrote:
>
> > Ok, but I don't understand why with
> >
> > pingd: 500
> > PC_A: 100
> > resource_stickiness: 100 (3 resources make 300)
> >
> > the resource failback. The expressions that you give me returns the
> > same
> > results like with:
> >
> > pingd: 1000
> > PC_A: 100
> > resource_stickiness: 100 (3 resources make 300)
> >
> > but the behavior is different (with pingd 1000 doesn't failback)
>
>
> re-read the second condition:
>
> >>  if you want it to move back, you also need (3*stickiness) < PC_A
>
>
> 300 is not less than 100
>

I've read it. But this condition doesn't change in the two tests.
What i change is pingd score, and in one test it failback and in the other
it doesn't.
So I think the expression that you give me isn't the explanation?


> >
> >
> > Thanks
> >
> > On Dec 6, 2007 8:40 PM, Andrew Beekhof <[EMAIL PROTECTED]> wrote:
> >
> >>
> >> On Dec 6, 2007, at 5:15 PM, China wrote:
> >>
> >>> Thank you.
> >>> I've found the right score with the script:
> >>>
> >>> pingd: +1000
> >>> PC_A: +100
> >>> resource_stickiness: +100 (I've 3 resources so make 300, not 100)
> >>>
> >>> Now the problem is that i didn't understood why these score is ok
> >>> for
> >>> failover and don't failback.
> >>
> >> because 300 (3*stickiness) > 100 (PC_A)
> >>
> >> if you want it to move based on connectivity you need pingd > (PC_A +
> >> 3*stickiness)
> >> if you want it to move back, you also need (3*stickiness) < PC_A
> >>
> >> try:
> >>
> >> pingd = 200
> >> PC_A = 100
> >> stickiness = 30
> >>
> >>> And why with pingd score 500 is good for failback to PC_A.
> >>>
> >>> You should make a tutorial to calculate these scores.
> >>>
> >>> On Dec 6, 2007 3:42 PM, Dominik Klein <[EMAIL PROTECTED]> wrote:
> >>>
> >>>> China wrote:
> >>>>> Last question: how can I see what is the node's score during
> >>>>> cluster
> >>>>> execution?
> >>>>
> >>>> You can grep it out of the "ptest" output.
> >>>>
> >>>> Or use my script:
> >>>>
> >>>>
> >>
> http://lists.community.tummy.com/pipermail/linux-ha/2007-September/027488.html
> >>>>
> >>>> which has been updated by Robert Lindgren:
> >>>>
> >>>>
> >>
> http://lists.community.tummy.com/pipermail/linux-ha/2007-September/027745.html
> >>>>
> >>>> Regards
> >>>> Dominik
> >>>> _______________________________________________
> >>>> Linux-HA mailing list
> >>>> [email protected]
> >>>> http://lists.linux-ha.org/mailman/listinfo/linux-ha
> >>>> See also: http://linux-ha.org/ReportingProblems
> >>>>
> >>>
> >>>
> >>>
> >>> --
> >>>
> >>> Davide Belloni
> >>> _______________________________________________
> >>> Linux-HA mailing list
> >>> [email protected]
> >>> http://lists.linux-ha.org/mailman/listinfo/linux-ha
> >>> See also: http://linux-ha.org/ReportingProblems
> >>
> >> _______________________________________________
> >> Linux-HA mailing list
> >> [email protected]
> >> http://lists.linux-ha.org/mailman/listinfo/linux-ha
> >> See also: http://linux-ha.org/ReportingProblems
> >>
> >
> >
> >
> > --
> >
> > Davide Belloni
> > _______________________________________________
> > Linux-HA mailing list
> > [email protected]
> > http://lists.linux-ha.org/mailman/listinfo/linux-ha
> > See also: http://linux-ha.org/ReportingProblems
>
> _______________________________________________
> Linux-HA mailing list
> [email protected]
> http://lists.linux-ha.org/mailman/listinfo/linux-ha
> See also: http://linux-ha.org/ReportingProblems
>



-- 

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