[pgpool-general: 4500] pgpool unable to attach a node during failback command

Shay Cohavi cohavisi at gmail.com
Tue Mar 1 00:51:49 JST 2016


Hi,
I have a Hugh problem regarding attaching a node (as secondary) to the pool
after I performing pcp_attach_node.

after failover is being completed successfully and valid primary node is
active, i'm performing an *pcp_attach (via sql)* to the faulty node in
order to failback as secondary!

*select pcp_attach_node (0,'10.10.61.99',1200,9898,'*****','*****') *

during this command, a failback script is being executed and performs the
following:
1. rsync between the DB nodes.
2. create recovery.conf.
3. startup the node(as secondary).

*the failback could take for 20 min to finish.*

after the failback finished *successfully* (exit status 0) and the node
started as *secondary* (according to postgres) - streaming replication.

*the pgpool reportes the node status from 1 to 3 (instead of 2).*

*** when failback finished early (less then few min) the pgpool reports the
node status as 2 - as aspected.*


please advice regarding this issue...


*Thanks,*
*cohavisi*
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