On Fri, 6 Mar 2009, Greg Smith wrote:
On Fri, 6 Mar 2009, Tom Lane wrote:
Otherwise you need to reconfigure your drive to not cache writes.
I forget the incantation for that but it's in the PG list archives.
There's a dicussion of this in the docs now,
http://www.postgresql.org/docs/8.3/interactive/wal-reliability.html
How does turning off write caching on the disk stop the problem with LVM?
It still seems like you have to get the data out of the OS buffer, and if
fsync() doesn't do that for you....
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