Jeff Frost wrote: > Is it reasonable to mount the PGDATA filesystem with data=writeback on ext3 as > long as the PGXLOG filesystem is mounted data=ordered and fsync=on? Or is > this only acceptable if you have battery backed controllers? data=writeback is fine on all PostgreSQL file systems, including pg_xlog because we fsync() it on commit. In fact it is the recommended mount option for ext3. -- Bruce Momjian | http://candle.pha.pa.us pgman@xxxxxxxxxxxxxxxx | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073
