Re: Archive command seem to be working.

From: Andrew Crouch <andrew(dot)crouch(at)ericsson(dot)com>
To: Chris Barnes <compuguruchrisbarnes(at)hotmail(dot)com>, Postgres General Postgres General <pgsql-general(at)postgresql(dot)org>
Subject: Re: Archive command seem to be working.
Date: 2009-12-22 19:38:12
Message-ID: 0180077C49A2B54E9BBA5D6E725A75CD0C9B8F713A@ESGSCCMS0003.eapac.ericsson.se
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Hi Chris,
Assuming the error condition is resolved, the process should restart automatically. However, one issue we have found is that there appears to be an upper limit to how many files `test` can actually check for existence. We found that it was returning 1 in error and hence wasn't archiving the files. Replacing test with the perl equivalent seemed to sidestep this issue.

Your archive command would look something like:
perl -e 'exit 1 if -e "/data/pgsql/backups/wal_arch/%f.gz"' && cp %p /var/lib/pgsql/backups/wal_arch/%f

Don't forget to properly escape the quotes.

You should be able to update the archive command by reloading the configuration: '/sbin/service postgresql reload' or equivalent for your system.

After the configuration is loaded (and you aren't hitting any other system limitations) it should begin archiving the files again.

Cheers,
Andrew

________________________________
From: pgsql-general-owner(at)postgresql(dot)org [mailto:pgsql-general-owner(at)postgresql(dot)org] On Behalf Of Chris Barnes
Sent: terça-feira, 22 de dezembro de 2009 17:03
To: Postgres General Postgres General
Subject: [GENERAL] Archive command seem to be working.

Hi, hoping someone can tell me how to get this running again.

I have pitr running and noticed that the slave is far out of date with wal logs.

Upon investigation I see that on the master that /data/pgsql/backups/wal_logs has over 6000 logs that haven't been moved
to the /var/lib/pgsql/backups/wal_arch/ folder.

The root partition that has /var had been full and logs may have been removed, and it may have run some time in this condition until someone corrected it.

postgresql.conf file.
test ! -f /data/pgsql/backups/wal_arch/%f.gz && cp %p /var/lib/pgsql/backups/wal_arch/%f

Is there a way to restart a service without taking the database down/up?

Any help would be appreciated.

Cheers,

Chris Barnes

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