Yes you understood correctly. Would the same apply for a hot standby situation? On Oct 20, 2011, at 12:00 PM, Jeff Davis wrote: > On Mon, 2011-09-26 at 08:54 -0400, Adam Tistler wrote: >> I am trying to set up master/slave warm standby streaming replication >> (9.1). I am not doing archiving/log shipping. I have read that you >> cannot reverse roles between the master and slave, and that once a >> slave is "promoted", you need to use pg_basebackup or rsync to copy >> files from the newly promoted master to the old master. I am fine >> with this, however, in my case all I am trying to do is re-enable the >> slave to be in recovery mode. I am doing this by deleting the trigger >> file ( which I had originally created to promote the slave to master ) >> and moving recovery.done to recovery.conf, then restarting postgres. >> As a result I get the following error: >> >> FATAL: timeline 2 of the primary does not match recovery target >> timeline 3 > > Once it's promoted to a primary, you can't set it to start recovering > from another system again (without taking a new base backup). > > Did I understand your question correctly? > > Regards, > Jeff Davis > -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
