>>> "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:" ;‑) > > > 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... > > 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, >>>> â€â€̃John >>>> >>>> >>>> >>>> _______________________________________________ >>>> 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/
