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

Upgrading 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.

  1. Download Latest SkyTools: Visit PgFoundry to download the latest SkyTools. Issue the below command from /usr/local/src on each server.
  2. Unpack SkyTools: Now issue the below command to unpack SkyTools and then change directory into the newly created SkyTools directory.
    tar -zxvf skytools-2.1.9.tar.gz
    cd skytools-2.1.9
  3. Boot Slave PSQL Server: Now boot the slave postgresql server by issuing the below command as the postgres user to remove it from recovery mode. slave.ini boot
  4. Replace Old Now replace the old file with the new one located in skytools-2.1.9/python. The old file is more than likely in /usr/local/bin or /usr/bin.
    cp /usr/local/src/skytools-2.1.9/python/ /usr/local/bin/
  5. Upgrade Master PostgreSQL Server: Stop the sync daemon on the master psql server. Now replace the file the same way it was done in step 4.
  6. Follow walmgr Quick Start Guide: Now follow the walmgr quick start guide located here to bring the slave back online.

This will take some time but should allow you to upgrade without any downtime.

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