M. Edward (Ed) Borasky wrote: > At the CMG meeting I asked the disk drive engineers, "well, if the > drives are doing the scheduling, why does Linux go to all the trouble?" > Their answer was something like, "smart disk drives are a relatively > recent invention." But One more reason? I imagine the disk drives wouldn't be aware of IO scheduling classes and priorities ( http://linux.die.net/man/1/ionice ), while I imagine the linux I/O schedulers should. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance