Hey, yes I did .. and still it wont fail back.. 2015-08-13 16:23 GMT+03:00 Jony Vesterman Cohen <jony.cohe...@gmail.com>:
> Hi, did you make the old master follow the new one using repmgr? > > It doesn't update itself automatically... > From the looks of it repmgr thinks you have 2 masters - the old one > offline and the new one online. > > Regards, > Jony > Sent from my iPhone > > On 13 באוג׳ 2015, at 15:43, Aviel Buskila <avie...@gmail.com> wrote: > > Hey, > I have just tried to start the repmgrd on the new standby after I have > fixed it as a standby and still this goes the same way. > > from the message given in the repmgrd log in the witness server it seems > that he is not able to elect a new master because he can't see anyone . > > I have check in the repl_nodes table in the witness and it shows: > witness node3 > master node2 > master node1 > > is there a way update the witness after the first failover? > > 2015-08-13 15:06 GMT+03:00 Jony Cohen <jony.cohe...@gmail.com>: > >> Hi Aviel, >> you can use the 'show cluster' command to see the repmgr state before you >> do the 2nd failover - make sure the node1 is indeed marked as replica. >> After a failover the Master doesn't automatically attach to the new >> master - you need to point him as a slave (standby follow - if possible...) >> did you start the repmgrd on node1 after making it a replica of the new >> master? (it needs 2 daemons to decide what to promote) >> >> Regards, >> - Jony >> > > On Thu, Aug 13, 2015 at 1:29 PM, Aviel Buskila <avie...@gmail.com> wrote: > >> Hey, >> I have set up three nodes of postgresql 9.4 with repmgr in this way: >> 1. master - node1 >> 2. standby - node2 >> 3. witness - node3 >> >> Now I have set up the replication and the witness as it says here: >> https://github.com/2ndQuadrant/repmgr/blob/master/FAILOVER.rst >> >> Now when I do 'kill -9 $(pidof postmaster)' The witness detects that >> something went wrong and fails over from node1 to node2 >> But when I setup the replication now to work from node2 to node1 and I >> kill the postgresql process it doesn't failover and the repmgrd log shows >> the following message: >> unable to determine a valid master server; waiting 10 seconds to retry... >> >> it seems that the witness doesn't know about the new standby server.. >> >> Has anyone got any idea about what am I doing wrong here? >> >> >> Best regards, >> Aviel Buskila >> > >
