Re: Serial key is different in master and slave machine

From: Vibhor Kumar <vibhor(dot)aim(at)gmail(dot)com>
To: Vishnu S(dot) <vishnu(dot)s(at)nestgroup(dot)net>
Cc: <pgsql-admin(at)postgresql(dot)org>
Subject: Re: Serial key is different in master and slave machine
Date: 2010-12-18 14:53:20
Message-ID: 7B18A799-CCCD-42B2-90FB-3991F7533CC4@gmail.com
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On Dec 18, 2010, at 5:55 PM, Vishnu S. wrote:

>
>
> Hi,
>
>
> I am usinf Slony slony-I-2.0.2 in windows. I have a Master and a slave
> machine. When the master machine is failed, I have executed the failover
> script and the slave is switched to master. My problem is that while
> inserting a record into the current master machine, it will show an
> error saying that Duplicate key value. Please help me to overcome this
> error

This means you haven't replicated the Sequences using Slony on Slave.

To overcome this problem, you have reset the sequences on New Master using Following command:
SELECT pg_catalog.setval('<sequencenumber>', <nextvalof sequence on Old Master>, true);

Thanks & Regards,
Vibhor Kumar (PCP & OCP)
ITIL V3 Cerftified.

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