>>>> "john tillman" <[email protected]> schrieb am 14.02.2022 um 15:54 in > Nachricht > <[email protected]>: >>> "DC" is the thing that crm_mon displays as "Current DC:" ;â) >> >> >> LOL ... wow, it *IS* a Monday morning. Thank you. >> >> So I booted my VMs for the experiment and created the cluster as before >> and now the problem is gone? The transition is equally fast in both >> directions. I repeated the experiment again with the DC on the other >> node >> and the issue is gone. > > My initial suspect was that when the DC goes stanbdby the election for a > new > DC could take extra time...
Thank you. If it happens again I will look closer at the DC. > >> >> Sorry to have wasted everyone's time. If email could blush ... >> >> Can you take a guess at why a slow down in one direction might have >> happened? >> >> >>> >>> >>>>>> On 02/14/2022 at 02:19 PM, in message <3EEBF8E6.B43 : 250 : 31555>, >>>>>> "john >>> tillman" <[email protected]> <[email protected]> wrote: >>>>>>> "john tillman" <[email protected]> schrieb am 11.02.2022 um 19:01 in >>>> Nachricht >>>> <[email protected]>: >>>>> Hypothetically, if I have a two node cluster on identical VMs without >>>>> fencing and I see transitions take longer in one direction than the >>>>> other. >>>> >>>> How long is "longer", and where is your DC? >>> >>> >>> Less than 10 seconds for the short transition and maybe a minute for >>> the >>> longer. >>> >>> "DC" ... ok, it's Monday before my first cup of coffee. I can't figure >>> out what DC means. Sorry, but can you spell it out? >>> >>> >>>> >>>>> What are some possible reasons? >>>>> >>>>> For example, "pcs node standby nodeX" or "pcs cluster stop nodeX" >>>>> results >>>>> in a very fast transition to nodeY. However, given the same commands >>>>> but >>>>> going from nodeY to nodeX takes much, much longer. >>>>> >>>>> And note that powering off either VM does *not* exhibit this behavior >>>>> and >>>>> transitions times in both direction are the same, fast. >>>>> >>>>> Best regards, >>>>> âââ‰â¬ÌJohn >>>>> >>>>> >>>>> >>>>> _______________________________________________ >>>>> Manage your subscription: >>>>> https://lists.clusterlabs.org/mailman/listinfo/users >>>>> >>>>> ClusterLabs home: https://www.clusterlabs.org/ >>>> >>>> >>>> >>>> _______________________________________________ >>>> Manage your subscription: >>>> https://lists.clusterlabs.org/mailman/listinfo/users >>>> >>>> ClusterLabs home: https://www.clusterlabs.org/ >>>> >>> >>> >>> _______________________________________________ >>> Manage your subscription: >>> https://lists.clusterlabs.org/mailman/listinfo/users >>> >>> ClusterLabs home: https://www.clusterlabs.org/ >>> >>> _______________________________________________ >>> Manage your subscription: >>> https://lists.clusterlabs.org/mailman/listinfo/users >>> >>> ClusterLabs home: https://www.clusterlabs.org/ >>> >> >> >> _______________________________________________ >> Manage your subscription: >> https://lists.clusterlabs.org/mailman/listinfo/users >> >> ClusterLabs home: https://www.clusterlabs.org/ > > > > _______________________________________________ > Manage your subscription: > https://lists.clusterlabs.org/mailman/listinfo/users > > ClusterLabs home: https://www.clusterlabs.org/ > _______________________________________________ Manage your subscription: https://lists.clusterlabs.org/mailman/listinfo/users ClusterLabs home: https://www.clusterlabs.org/
