On Fri, 2008-07-11 at 12:15 -0400, Tom Lane wrote: > Robert Treat <xzilla@xxxxxxxxxxxxxxxxxxxxx> writes: > > Was review a clients config/setup and ran across a pitr warm standby scenario > > where the master machine is set to the current time, but the slave's time is > > currently sitting back in the month of May. Outside of getting ntp setup on > > the machine, I am wondering if I need to do anything special with the > > postgresql setup, or if just setting the correct date on the machine is a > > safe enough operation that nothing else would need to be done (like re-doing > > the base backup). Any thoughts? > > AFAIR you should be all right ... PITR only looks at WAL indexes, not > file timestamps. WAL filenames, just in case anybody listening thinks "I didn't create an index on my WAL, should I?". This is so people that set their pg_xlog filesystem no file modification timestamps don't screw up their recovery. > The slave does watch the current time to decide when to do recovery > restartpoints, so if you were setting the clock *back* by a large amount > it might be wise to stop and restart the slave postmaster. Forward > should be no problem though. Yeh, you're good. -- Simon Riggs www.2ndQuadrant.com PostgreSQL Training, Services and Support
