Hi Guy, On 9/17/19 8:17 PM, Guy Lee wrote: > I'm running in to a race condition problem with two supermasters in a > high availability setup. > > Zone example.org has both Master1 and Master2 defined as masters in the > database. I make an update on Master1, and it sends a NOTIFY to Master2, > Slave1, and Slave2. > > Sometimes the slaves request the AXFR from Master2 instead of Master1 > who sent the NOTIFY. Except that Master2 hasn't updated itself yet and > doesn’t have the updated serial, so there's nothing to update on the slaves. > > I worked around it by setting the SOA RETRY value to 1 minute, so it > checks for a newer serial quickly after the update, just in case it was > missed.
This is a bug, there is a PR to fix this[1], but this PR has to be un-conflicted and re-reviewed. Cheers, Pieter -- Pieter Lexis PowerDNS.COM BV -- https://www.powerdns.com _______________________________________________ Pdns-users mailing list Pdns-users@mailman.powerdns.com https://mailman.powerdns.com/mailman/listinfo/pdns-users
