Reverted to 2.5.0 and tried the patch with that:
https://private-fileshare.canonical.com/~dima/maas-dumps/2019-02-28-maas-vhost1-2-3-etc-var-log.tar.gz
https://pastebin.canonical.com/p/VQ55DTSTYt/
So far so good.
I went through the failover scenario several times. Logs after 3 or so consecutive successful failovers (no manual or automatic maas service restarts):
https://private-fileshare.canonical.com/~dima/maas-dumps/2019-02-28-2-maas-vhost1-2-3-etc-var-log.tar.gz
Debug logging was enabled for both regiond and rackd so you might find useful info on what was logged during failovers.
Reverted to 2.5.0 and tried the patch with that:
https:/ /private- fileshare. canonical. com/~dima/ maas-dumps/ 2019-02- 28-maas- vhost1- 2-3-etc- var-log. tar.gz
https:/ /pastebin. canonical. com/p/VQ55DTSTY t/
So far so good.
I went through the failover scenario several times. Logs after 3 or so consecutive successful failovers (no manual or automatic maas service restarts):
https:/ /private- fileshare. canonical. com/~dima/ maas-dumps/ 2019-02- 28-2-maas- vhost1- 2-3-etc- var-log. tar.gz
Debug logging was enabled for both regiond and rackd so you might find useful info on what was logged during failovers.