[pgpool-general: 8244] Re: pcp_recovery_node command fails

[Todd Stein]

Many responses recommended installing the pgpool_recovery extension, I had done it as part of the install.  My install was done with RPMs.

ERROR:  extension "pgpool_recovery" already exists
2022-06-23 16:29:25.782 EDT [21981] STATEMENT:  CREATE EXTENSION pgpool_recovery;
The recovery_1st_stage script came from a sample provided with the RPM version.  The only thing I should need to do with it is to adjust the path of $PGHOME.



Regards,

Todd Stein

-----Original Message-----
From: Todd Stein 
Sent: Thursday, June 23, 2022 4:08 PM
To: Jon SCHEWE <jon.schewe at raytheon.com>; pgpool-general at pgpool.net
Subject: RE: pcp_recovery_node command fails

This is the stdout:
ERROR:  executing recovery, execution of command failed at "1st stage"
DETAIL:  command:"recovery_1st_stage"

The pgpool logs don't have much useful info.  Even when I set them to debug, it's not very helpful.

This seems to be a pretty common issue, lots of people post about the issue, but I've not seen a resolution to it yet.

the postgres log is actually more useful:
ERROR:  function pgpool_recovery(unknown, unknown, unknown, unknown, integer, unknown, unknown) does not exist at character 8
2022-06-23 16:03:53.740 EDT [25708] HINT:  No function matches the given name and argument types. You might need to add explicit type casts.
2022-06-23 16:03:53.740 EDT [25708] STATEMENT:  SELECT pgpool_recovery('recovery_1st_stage', 'nodea', '/var/lib/pgsql/12/data', '5432', 0, '5432', 'nodeb')


Regards,

Todd Stein

-----Original Message-----
From: pgpool-general <pgpool-general-bounces at pgpool.net> On Behalf Of Jon SCHEWE
Sent: Thursday, June 23, 2022 3:34 PM
To: Todd Stein <todd.stein at microfocus.com>; pgpool-general at pgpool.net
Subject: [pgpool-general: 8242] Re: pcp_recovery_node command fails

> I'm trying to use pcp_recovery_node for online recovery in a pgpool/postgresql-12 cluster.
> 
> My cluster has PostgreSQL 12.8 and pgpool 4.3.2 running on CentOS 7.9 linux.
> 
>  
> 
> I've tried so many things, I'll not go into those details just yet. 
> 
>  
> 
> To start with, here is the output of the pcp_recovery_node command:
> 
>  
> 
> pcp_recovery_node -U postgres -h <VIP> -p 9898 -n 0
> 
> Password:
> 
> ERROR:  executing recovery, execution of command failed at "1st stage"
> 
> DETAIL:  command:"recovery_1st_stage"
> 

Do you see anything in your logs about the errors? Usually this is either on stdout from the service or in /var/log/pgpool...
I'm guessing that your recovery_1st_stage script either isn't defined or isn't doing what you expect.
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