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Tag Archives: walmgr

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Technology Errors

createdb: database creation failed: ERROR: source database “template1” is being accessed by other users

ErrorsBy alexNovember 16, 2010Leave a comment

When attempting to create a new database on a PostgreSQL server running walmgr, which is part of SkyTools by Skype Developers, for real time failover I received an error. Initially I was a bit baffled by the error however I remembered after racking my brain for a little bit that you must stop walmgr’s syncdaemon…

Technology Errors

Error Starting PostgreSQL Skytools Walmgr: Pidfile exists, another process running?

ErrorsBy alexSeptember 16, 2010Leave a comment

Earlier a client with a fairly complex network setup had a power outage in one of their data centers in Dallas, TX. The power outage caused three servers and a firewall to lose power causing all sorts of other issues on the servers themselves. One of the primary issues was getting the PostgreSQL cluster back…

Technology Errors

PostgreSQL SkyTools walmgr: CDTWARNING: archive_mode enabled, yet archive_command is not set

ErrorsBy alexApril 22, 2009Leave a comment

If you are running walmgr for log shipping with PostgreSQL and you see the below error in your postgresql.log file it is because you are missing the recovery.conf file. The recovery.conf file should be located in your data directory on the slave server which typically is /var/lib/pgsql/data. Error: CDTWARNING: archive_mode enabled, yet archive_command is not…

Technology Insights

How to Upgrade PostgreSQL SkyTools walmgr from 2.1.x to 2.1.9

InsightsBy alexApril 22, 2009Leave a comment

Upgrading walmgr.py is easy since really this is just a python script. The most complicated part of the upgrade process will be keeping your database cluster up. Follow the below steps and you should avoid any downtime. Download Latest SkyTools: Visit PgFoundry to download the latest SkyTools. Issue the below command from /usr/local/src on each…

Technology Errors

PostgreSQL SkyTools walmgr: Can’t boot Slave: DEBUG Only single loop requested, exiting

ErrorsBy alexApril 22, 2009Leave a comment

I ran into a silly error tonight during some configuration changes for PostgreSQL that took me awhile to figure out so I wanted to share so it might save others some time in the future. In an attempt to boot the slave server in a PostgreSQL SkyTools walmgr configuration I was unable to get it…

Technology Errors

PostgreSQL Walshipping Error — CDTFATAL: role “root” does not exist

ErrorsBy alexApril 22, 2009Leave a comment

You might receive the below error in your postgresql.log file after issuing the walmgr.py syncdaemon command as explained below. Error:  CDTFATAL:  role “root” does not exist Command Issued: bash walmgr.py conf/wal-master.ini syncdaemon -d

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