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DR replication Stoped after failover

P: 2
Dear Team,

Recently, our staging database environment was not available so we had to promote the DR database using the script below.

Expand|Select|Wrap|Line Numbers
  1. [root@DRPOSDB tmp]# su postgres
  2. bash-4.2$
  3. bash-4.2$
  4. bash-4.2$
  5. bash-4.2$
  6. bash-4.2$ /usr/pgsql-9.2/bin/pg_ctl -D /target_directory promote
  7. pg_ctl: PID file "/target_directory/" does not exist
  8. Is server running?
  9. bash-4.2$
  10. bash-4.2$
  11. bash-4.2$ locate
  12. /var/lib/pgsql/9.2/data/
  13. bash-4.2$
  14. bash-4.2$
  15. bash-4.2$ /usr/pgsql-9.2/bin/pg_ctl -D /var/lib/pgsql/9.2/data promote
  16. server promoting
  17. bash-4.2$
  18. bash-4.2$
  19. bash-4.2$
  20. bash-4.2$
No changes was made to the database while in DR because the live came up alomost immediately.

Now replication as stopped because DR was promoted from slave to master. Also, data has started coming to LIVE database.

How do we make replication to start again, i have not been able to see any documentation to do this.
Jul 28 '18 #1
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3 Replies

Expert Mod 5K+
P: 5,397
Never worked with PostGreSql; however, looking through some documentation about this database I found this:
It mentions that this feature was added to PostgreSQL 9.0 - so I think this might be available; however, you don't mention which version you're using.

Towards the bottom of this page it mentions repeating from Step 6 - Might be a starting point.
Jul 29 '18 #2

P: 2
Thanks zmbd,

This is like revisiting the setup again. I will GI through it and get back.

I am currently on postgres9.2
Jul 29 '18 #3

Expert Mod 5K+
P: 5,397
Best of Luck - hopefully one of the other experts has more experience with this DB
Jul 30 '18 #4

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