On Mon, Mar 16, 2009 at 2:03 PM, Stefan Kaltenbrunner <stefan@xxxxxxxxxxxxxxxx> wrote: > So in my understanding LVM is safe on disks that have write cache disabled > or "behave" as one (like a controller with a battery backed cache). > For storage with write caches it seems to be unsafe, even if the filesystem > supports barriers and it has them enabled (which I don't think all have) > which is basically what all of linux was not too long ago. I definitely didn't have this problem with SCSI drives directly attached to a machine under pgsql on ext2 back in the day (way back, like 5 to 10 years ago). IDE / PATA drives, on the other hand, definitely suffered with having write caches enabled. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
