Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Hi Lars, thanks for your answer. Please, see more details below On Tue 18 Aug 2015 18:59:18, Lars Ellenberg wrote: > On Fri, Aug 14, 2015 at 05:00:48PM +1000, Viktor Villafuerte wrote: > > Hi all, > > > > I've got very similar problem to > > > > http://lists.linbit.com/pipermail/drbd-user/2015-July/022243.html > > > > that. > > > > > > OS: Red Hat Enterprise Linux Server release 6.7 (Santiago) > > kernel: kernel-2.6.32-573.1.1.el6.x86_64 > > DRBD: kmod-drbd84-8.4.6-1.el6.elrepo.x86_64 > > > > > > Two node cluster where after upgrade to the lastest kernel + Corosync > > Pacemaker DRBD I've encoutered problems. > > Did you upgrade both nodes yet? Yes both were upgraded. When first failing over Corosync + friends onto the newly upgraded node (from the not upgraded node) only partial sync happened and no problems were found. After upgrading the second node full resync was requested and I never recovered from that. > > > Secondary does a full resync, seems to successfully finish it but then > > 'PingAck did not arrive in time' happens and the resync repeats. This > > keeps happening in a loop thereafter. > > You could increase the "ping timeout" for now, > and see if that gets you over this odd issue. I'll give this a go thanks. I assume that will require restart..? > > > Please note that I could not observe any network problems, no problems > > with the resync or any other services, except the very end of the > > resync. > > > > I've tried reboot the secondary (target) node, invalidating the data > > and forcing full resync by hand, wating about 4 rounds of the loop :) > > But to no avail. > > > > Currently I'm in process of downgrading the kernel to see what happens > > but as it's a production server this will take little time (outage) :/ Downgraded both the nodes to kernel-2.6.32-504.23.4.el6.x86_64 but no change as the sync just did one turn over :/ > > > > I'm also fairly new to DRBD so please point out anything obvious I may > > be missing. > > > > thanks > > > > v > > -- > : Lars Ellenberg > : http://www.LINBIT.com | Your Way to High Availability > : DRBD, Linux-HA and Pacemaker support and consulting > > DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. > __ > please don't Cc me, but send to list -- I'm subscribed > _______________________________________________ > drbd-user mailing list > drbd-user at lists.linbit.com > http://lists.linbit.com/mailman/listinfo/drbd-user -- Regards Viktor Villafuerte Optus Internet Engineering t: +61 2 80825265